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Class 9 Mathematics Medium Quiz

Level 39 • 50/50 questions • 35 seconds per question.

Level readiness 50/50 Questions
Time Left 29:10 35 sec/question
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Question 1 / 50 0 score
Answered 0/50 Correct 0 Time 29:10

समीकरण (2y=10x+14) को (y=mx+c) रूप में लिखने पर ढाल क्या होगी?

When the equation (2y=10x+14) is written in (y=mx+c) form, what will be the slope?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

Dividing by (2) gives (y=5x+7). Therefore the slope is (5).

Step 2

Why this answer is correct

The correct answer is B. (5). Dividing by (2) gives (y=5x+7). Therefore the slope is (5).

Step 3

Exam Tip

(2) से भाग देने पर (y=5x+7) मिलता है। इसलिए ढाल (5) है।

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समीकरण (4y=12x-20) का (y)-अवरोध क्या है?

What is the (y)-intercept of the equation (4y=12x-20)?

Explanation opens after your attempt
Correct Answer

B. (-5)

Step 1

Concept

Dividing by (4) gives (y=3x-5). The constant term (-5) is the (y)-intercept.

Step 2

Why this answer is correct

The correct answer is B. (-5). Dividing by (4) gives (y=3x-5). The constant term (-5) is the (y)-intercept.

Step 3

Exam Tip

(4) से भाग देने पर (y=3x-5) मिलता है। स्थिर पद (-5) (y)-अवरोध है।

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समीकरण (3x+y=11) की ढाल क्या है?

What is the slope of the equation (3x+y=11)?

Explanation opens after your attempt
Correct Answer

C. (-3)

Step 1

Concept

It is written as (y=-3x+11). The coefficient of (x), (-3), is the slope.

Step 2

Why this answer is correct

The correct answer is C. (-3). It is written as (y=-3x+11). The coefficient of (x), (-3), is the slope.

Step 3

Exam Tip

इसे (y=-3x+11) लिखा जाता है। (x) का गुणांक (-3) ढाल है।

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समीकरण (5x-y=15) का (y)-अवरोध क्या है?

What is the (y)-intercept of the equation (5x-y=15)?

Explanation opens after your attempt
Correct Answer

A. (-15)

Step 1

Concept

From (5x-y=15), we get (y=5x-15). Therefore the (y)-intercept is (-15).

Step 2

Why this answer is correct

The correct answer is A. (-15). From (5x-y=15), we get (y=5x-15). Therefore the (y)-intercept is (-15).

Step 3

Exam Tip

(5x-y=15) से (y=5x-15) मिलता है। इसलिए (y)-अवरोध (-15) है।

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रेखा (y=18-6x) की ढाल और (y)-अवरोध कौन से हैं?

What are the slope and (y)-intercept of the line (y=18-6x)?

Explanation opens after your attempt
Correct Answer

A. ढाल (-6) और (y)-अवरोध (18)Slope (-6) and (y)-intercept (18)

Step 1

Concept

Write it as (y=-6x+18). So the slope is (-6) and the (y)-intercept is (18).

Step 2

Why this answer is correct

The correct answer is A. ढाल (-6) और (y)-अवरोध (18) / Slope (-6) and (y)-intercept (18). Write it as (y=-6x+18). So the slope is (-6) and the (y)-intercept is (18).

Step 3

Exam Tip

इसे (y=-6x+18) लिखें। इसलिए ढाल (-6) और (y)-अवरोध (18) है।

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रेखा (y=-4x+13) (y)-अक्ष को किस बिंदु पर काटती है?

At which point does the line (y=-4x+13) cut the (y)-axis?

Explanation opens after your attempt
Correct Answer

C. ( (0,13) )

Step 1

Concept

On the (y)-axis, (x=0). Then (y=13).

Step 2

Why this answer is correct

The correct answer is C. ( (0,13) ). On the (y)-axis, (x=0). Then (y=13).

Step 3

Exam Tip

(y)-अक्ष पर (x=0) होता है। तब (y=13) मिलता है।

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यदि रेखा की ढाल (7) और (y)-अवरोध (-2) है तो समीकरण कौन सा होगा?

If a line has slope (7) and (y)-intercept (-2), which equation is correct?

Explanation opens after your attempt
Correct Answer

A. (y=7x-2)

Step 1

Concept

In (y=mx+c), put (m=7) and (c=-2). The correct equation is (y=7x-2).

Step 2

Why this answer is correct

The correct answer is A. (y=7x-2). In (y=mx+c), put (m=7) and (c=-2). The correct equation is (y=7x-2).

Step 3

Exam Tip

रूप (y=mx+c) में (m=7) और (c=-2) रखें। सही समीकरण (y=7x-2) है।

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यदि रेखा की ढाल (-8) और (y)-अवरोध (5) है तो समीकरण कौन सा होगा?

If a line has slope (-8) and (y)-intercept (5), which equation is correct?

Explanation opens after your attempt
Correct Answer

C. (y=-8x+5)

Step 1

Concept

The slope is the coefficient of (x) and the (y)-intercept is the constant term. So (y=-8x+5) is correct.

Step 2

Why this answer is correct

The correct answer is C. (y=-8x+5). The slope is the coefficient of (x) and the (y)-intercept is the constant term. So (y=-8x+5) is correct.

Step 3

Exam Tip

ढाल (x) का गुणांक और (y)-अवरोध स्थिर पद होता है। इसलिए (y=-8x+5) सही है।

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रेखा (y=mx-6) की ढाल (4) है। (m) का मान क्या है?

The line (y=mx-6) has slope (4). What is the value of (m)?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

In (y=mx+c), (m) itself is the slope. Therefore (m=4).

Step 2

Why this answer is correct

The correct answer is A. (4). In (y=mx+c), (m) itself is the slope. Therefore (m=4).

Step 3

Exam Tip

(y=mx+c) में (m) ही ढाल है। इसलिए (m=4) है।

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रेखा (y=-3x+c) (y)-अक्ष को ( (0,9) ) पर काटती है। (c) क्या है?

The line (y=-3x+c) cuts the (y)-axis at ( (0,9) ). What is (c)?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

On the (y)-axis, (x=0), and (y=c). Therefore (c=9).

Step 2

Why this answer is correct

The correct answer is C. (9). On the (y)-axis, (x=0), and (y=c). Therefore (c=9).

Step 3

Exam Tip

(y)-अक्ष पर (x=0) होता है और (y=c) होता है। इसलिए (c=9) है।

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रेखा (y=5x+1) में (x) के (4) बढ़ने पर (y) कितना बढ़ेगा?

In the line (y=5x+1), how much will (y) increase when (x) increases by (4)?

Explanation opens after your attempt
Correct Answer

B. (20)

Step 1

Concept

The slope is (5). An increase of (4) in (x) makes (y) increase by \(5\times4=20\).

Step 2

Why this answer is correct

The correct answer is B. (20). The slope is (5). An increase of (4) in (x) makes (y) increase by \(5\times4=20\).

Step 3

Exam Tip

ढाल (5) है। (x) में (4) की वृद्धि से (y) \(5\times4=20\) बढ़ेगा।

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रेखा (y=-6x+20) में (x) के (3) बढ़ने पर (y) में क्या परिवर्तन होगा?

In the line (y=-6x+20), what change will occur in (y) when (x) increases by (3)?

Explanation opens after your attempt
Correct Answer

C. (18) घटेगाDecreases by (18)

Step 1

Concept

The slope is (-6). The change is \(-6\times3=-18\), so (y) decreases by (18).

Step 2

Why this answer is correct

The correct answer is C. (18) घटेगा / Decreases by (18). The slope is (-6). The change is \(-6\times3=-18\), so (y) decreases by (18).

Step 3

Exam Tip

ढाल (-6) है। परिवर्तन \(-6\times3=-18\) है इसलिए (y) (18) घटेगा।

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समीकरण (6y=-12x+30) में ढाल और (y)-अवरोध क्या हैं?

What are the slope and (y)-intercept in the equation (6y=-12x+30)?

Explanation opens after your attempt
Correct Answer

B. ढाल (-2) और (y)-अवरोध (5)Slope (-2) and (y)-intercept (5)

Step 1

Concept

Dividing by (6) gives (y=-2x+5). So the slope is (-2) and the (y)-intercept is (5).

Step 2

Why this answer is correct

The correct answer is B. ढाल (-2) और (y)-अवरोध (5) / Slope (-2) and (y)-intercept (5). Dividing by (6) gives (y=-2x+5). So the slope is (-2) and the (y)-intercept is (5).

Step 3

Exam Tip

(6) से भाग देने पर (y=-2x+5) मिलता है। इसलिए ढाल (-2) और (y)-अवरोध (5) है।

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समीकरण (2x+3y=12) का (y)-अवरोध क्या है?

What is the (y)-intercept of the equation (2x+3y=12)?

Explanation opens after your attempt
Correct Answer

C. (4)

Step 1

Concept

Putting (x=0) gives (3y=12) and (y=4). Therefore the (y)-intercept is (4).

Step 2

Why this answer is correct

The correct answer is C. (4). Putting (x=0) gives (3y=12) and (y=4). Therefore the (y)-intercept is (4).

Step 3

Exam Tip

(x=0) रखने पर (3y=12) और (y=4) मिलता है। इसलिए (y)-अवरोध (4) है।

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समीकरण (4x+2y=10) की ढाल क्या है?

What is the slope of the equation (4x+2y=10)?

Explanation opens after your attempt
Correct Answer

B. (-2)

Step 1

Concept

(2y=-4x+10) and (y=-2x+5). Therefore the slope is (-2).

Step 2

Why this answer is correct

The correct answer is B. (-2). (2y=-4x+10) and (y=-2x+5). Therefore the slope is (-2).

Step 3

Exam Tip

(2y=-4x+10) और (y=-2x+5) है। इसलिए ढाल (-2) है।

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रेखा \(y=\frac{5}{2}x-7\) में (x) के (2) बढ़ने पर (y) कितना बढ़ेगा?

In the line \(y=\frac{5}{2}x-7\), how much will (y) increase when (x) increases by (2)?

Explanation opens after your attempt
Correct Answer

B. (5)

Step 1

Concept

The slope is \(\frac{5}{2}\). The change will be \(\frac{5}{2}\times2=5\).

Step 2

Why this answer is correct

The correct answer is B. (5). The slope is \(\frac{5}{2}\). The change will be \(\frac{5}{2}\times2=5\).

Step 3

Exam Tip

ढाल \(\frac{5}{2}\) है। परिवर्तन \(\frac{5}{2}\times2=5\) होगा।

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रेखा \(y=-\frac{3}{4}x+6\) में (x) के (8) बढ़ने पर (y) कितना घटेगा?

In the line \(y=-\frac{3}{4}x+6\), how much will (y) decrease when (x) increases by (8)?

Explanation opens after your attempt
Correct Answer

C. (6)

Step 1

Concept

The slope is \(-\frac{3}{4}\). The change is \(-\frac{3}{4}\times8=-6\), so the decrease is (6).

Step 2

Why this answer is correct

The correct answer is C. (6). The slope is \(-\frac{3}{4}\). The change is \(-\frac{3}{4}\times8=-6\), so the decrease is (6).

Step 3

Exam Tip

ढाल \(-\frac{3}{4}\) है। परिवर्तन \(-\frac{3}{4}\times8=-6\) है इसलिए कमी (6) है।

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यदि (y=mx+2) रेखा ( (3,17) ) से गुजरती है तो (m) क्या होगा?

If (y=mx+2) passes through ( (3,17) ), what will (m) be?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

Substituting the point gives (17=3m+2). Thus (3m=15) and (m=5).

Step 2

Why this answer is correct

The correct answer is C. (5). Substituting the point gives (17=3m+2). Thus (3m=15) and (m=5).

Step 3

Exam Tip

बिंदु रखने पर (17=3m+2) मिलता है। इससे (3m=15) और (m=5) है।

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यदि (y=-2x+c) रेखा ( (4,1) ) से गुजरती है तो (c) क्या होगा?

If (y=-2x+c) passes through ( (4,1) ), what will (c) be?

Explanation opens after your attempt
Correct Answer

C. (9)

Step 1

Concept

Substituting the point gives (1=-2(4)+c). Therefore (c=9).

Step 2

Why this answer is correct

The correct answer is C. (9). Substituting the point gives (1=-2(4)+c). Therefore (c=9).

Step 3

Exam Tip

बिंदु रखने पर (1=-2(4)+c) मिलता है। इसलिए (c=9) है।

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यदि रेखा की ढाल (2) है और वह (y)-अक्ष को ( (0,-5) ) पर काटती है तो समीकरण क्या होगा?

If a line has slope (2) and cuts the (y)-axis at ( (0,-5) ), what is its equation?

Explanation opens after your attempt
Correct Answer

A. (y=2x-5)

Step 1

Concept

The slope is (2) and the (y)-intercept is (-5). Therefore (y=2x-5).

Step 2

Why this answer is correct

The correct answer is A. (y=2x-5). The slope is (2) and the (y)-intercept is (-5). Therefore (y=2x-5).

Step 3

Exam Tip

ढाल (2) है और (y)-अवरोध (-5) है। इसलिए (y=2x-5) है।

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यदि रेखा की ढाल (-5) है और (x=0) पर (y=3) है तो रेखा कौन सी है?

If a line has slope (-5) and (y=3) at (x=0), which line is it?

Explanation opens after your attempt
Correct Answer

B. (y=-5x+3)

Step 1

Concept

(y=3) at (x=0) means the (y)-intercept is (3). With slope (-5), the line is (y=-5x+3).

Step 2

Why this answer is correct

The correct answer is B. (y=-5x+3). (y=3) at (x=0) means the (y)-intercept is (3). With slope (-5), the line is (y=-5x+3).

Step 3

Exam Tip

(x=0) पर (y=3) का अर्थ (y)-अवरोध (3) है। ढाल (-5) से (y=-5x+3) बनता है।

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रेखाएं (y=4x+7) और (y=4x-2) के बारे में सही कथन क्या है?

Which statement about the lines (y=4x+7) and (y=4x-2) is correct?

Explanation opens after your attempt
Correct Answer

A. दोनों की ढाल समान हैBoth have the same slope

Step 1

Concept

Both have coefficient (4) of (x). Therefore both have the same slope.

Step 2

Why this answer is correct

The correct answer is A. दोनों की ढाल समान है / Both have the same slope. Both have coefficient (4) of (x). Therefore both have the same slope.

Step 3

Exam Tip

दोनों में (x) का गुणांक (4) है। इसलिए दोनों की ढाल समान है।

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रेखाएं (y=6x-1) और (y=-3x-1) के बारे में सही कथन क्या है?

Which statement about the lines (y=6x-1) and (y=-3x-1) is correct?

Explanation opens after your attempt
Correct Answer

B. दोनों का (y)-अवरोध समान हैBoth have the same (y)-intercept

Step 1

Concept

Both have constant term (-1). Therefore both have the same (y)-intercept.

Step 2

Why this answer is correct

The correct answer is B. दोनों का (y)-अवरोध समान है / Both have the same (y)-intercept. Both have constant term (-1). Therefore both have the same (y)-intercept.

Step 3

Exam Tip

दोनों में स्थिर पद (-1) है। इसलिए दोनों का (y)-अवरोध समान है।

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कौन सी रेखा ढाल (0) और (y)-अवरोध (-4) रखती है?

Which line has slope (0) and (y)-intercept (-4)?

Explanation opens after your attempt
Correct Answer

B. (y=0x-4)

Step 1

Concept

With slope (0), the coefficient of (x) is (0). With (y)-intercept (-4), the line is (y=0x-4).

Step 2

Why this answer is correct

The correct answer is B. (y=0x-4). With slope (0), the coefficient of (x) is (0). With (y)-intercept (-4), the line is (y=0x-4).

Step 3

Exam Tip

ढाल (0) होने पर (x) का गुणांक (0) होगा। (y)-अवरोध (-4) से (y=0x-4) है।

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कौन सी रेखा मूल बिंदु से गुजरती है और ढाल (9) रखती है?

Which line passes through the origin and has slope (9)?

Explanation opens after your attempt
Correct Answer

A. (y=9x)

Step 1

Concept

Passing through the origin means the (y)-intercept is (0). With slope (9), (y=9x) is correct.

Step 2

Why this answer is correct

The correct answer is A. (y=9x). Passing through the origin means the (y)-intercept is (0). With slope (9), (y=9x) is correct.

Step 3

Exam Tip

मूल बिंदु से गुजरने पर (y)-अवरोध (0) होता है। ढाल (9) होने से (y=9x) सही है।

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रेखा (y=-x+8) में (x=0) पर (y) का मान क्या है?

What is the value of (y) at (x=0) in the line (y=-x+8)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

Putting (x=0) gives (y=8). This is the (y)-intercept.

Step 2

Why this answer is correct

The correct answer is A. (8). Putting (x=0) gives (y=8). This is the (y)-intercept.

Step 3

Exam Tip

(x=0) रखने पर (y=8) मिलता है। यही (y)-अवरोध है।

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रेखा (y=14-7x) में (x=0) पर (y) का मान क्या है?

What is the value of (y) at (x=0) in the line (y=14-7x)?

Explanation opens after your attempt
Correct Answer

C. (14)

Step 1

Concept

Putting (x=0), (y=14). Therefore the (y)-intercept is (14).

Step 2

Why this answer is correct

The correct answer is C. (14). Putting (x=0), (y=14). Therefore the (y)-intercept is (14).

Step 3

Exam Tip

(x=0) रखने पर (y=14) होता है। इसलिए (y)-अवरोध (14) है।

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यदि (y=mx+c) में (m<0) और (c<0) है तो कौन सा कथन सही है?

If (m<0) and (c<0) in (y=mx+c), which statement is correct?

Explanation opens after your attempt
Correct Answer

B. ढाल ऋणात्मक और (y)-अवरोध ऋणात्मक हैSlope is negative and (y)-intercept is negative

Step 1

Concept

(m) is the slope and (c) is the (y)-intercept. Since both are negative, statement (B) is correct.

Step 2

Why this answer is correct

The correct answer is B. ढाल ऋणात्मक और (y)-अवरोध ऋणात्मक है / Slope is negative and (y)-intercept is negative. (m) is the slope and (c) is the (y)-intercept. Since both are negative, statement (B) is correct.

Step 3

Exam Tip

(m) ढाल है और (c) (y)-अवरोध है। दोनों ऋणात्मक होने से कथन (B) सही है।

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यदि (y=mx+c) में (m>0) और (c=0) है तो रेखा के बारे में क्या सही है?

If (m>0) and (c=0) in (y=mx+c), what is correct about the line?

Explanation opens after your attempt
Correct Answer

B. रेखा बढ़ती है और मूल बिंदु से गुजरती हैThe line increases and passes through origin

Step 1

Concept

(m>0) makes the line increasing and (c=0) makes it pass through the origin. Read the signs carefully.

Step 2

Why this answer is correct

The correct answer is B. रेखा बढ़ती है और मूल बिंदु से गुजरती है / The line increases and passes through origin. (m>0) makes the line increasing and (c=0) makes it pass through the origin. Read the signs carefully.

Step 3

Exam Tip

(m>0) से रेखा बढ़ती है और (c=0) से वह मूल बिंदु से गुजरती है। संकेतों को ध्यान से पढ़ें।

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समीकरण (y+4=3x) का (y)-अवरोध क्या है?

What is the (y)-intercept of the equation (y+4=3x)?

Explanation opens after your attempt
Correct Answer

C. (-4)

Step 1

Concept

It is written as (y=3x-4). The constant term (-4) is the (y)-intercept.

Step 2

Why this answer is correct

The correct answer is C. (-4). It is written as (y=3x-4). The constant term (-4) is the (y)-intercept.

Step 3

Exam Tip

इसे (y=3x-4) लिखा जाता है। स्थिर पद (-4) (y)-अवरोध है।

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समीकरण (y-5=-2x) की ढाल क्या है?

What is the slope of the equation (y-5=-2x)?

Explanation opens after your attempt
Correct Answer

B. (-2)

Step 1

Concept

Write it as (y=-2x+5). The coefficient of (x) is (-2).

Step 2

Why this answer is correct

The correct answer is B. (-2). Write it as (y=-2x+5). The coefficient of (x) is (-2).

Step 3

Exam Tip

इसे (y=-2x+5) लिखें। (x) का गुणांक (-2) है।

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रेखा (y=ax-3) की ढाल (-6) है। समीकरण कौन सा होगा?

The line (y=ax-3) has slope (-6). Which equation is correct?

Explanation opens after your attempt
Correct Answer

B. (y=-6x-3)

Step 1

Concept

The slope equals (a). Putting (a=-6) gives (y=-6x-3).

Step 2

Why this answer is correct

The correct answer is B. (y=-6x-3). The slope equals (a). Putting (a=-6) gives (y=-6x-3).

Step 3

Exam Tip

ढाल (a) के बराबर है। (a=-6) रखने पर (y=-6x-3) मिलता है।

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रेखा (y=4x+b) का (y)-अवरोध (11) है। समीकरण कौन सा होगा?

The line (y=4x+b) has (y)-intercept (11). Which equation is correct?

Explanation opens after your attempt
Correct Answer

C. (y=4x+11)

Step 1

Concept

(b) is the (y)-intercept. Putting (b=11) gives (y=4x+11).

Step 2

Why this answer is correct

The correct answer is C. (y=4x+11). (b) is the (y)-intercept. Putting (b=11) gives (y=4x+11).

Step 3

Exam Tip

(b) (y)-अवरोध है। (b=11) रखने पर (y=4x+11) बनता है।

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दो रेखाएं (y=-3x+4) और (y=-3x-8) कैसी हैं?

How are the two lines (y=-3x+4) and (y=-3x-8) related?

Explanation opens after your attempt
Correct Answer

A. उनकी ढाल समान हैTheir slopes are the same

Step 1

Concept

Both have coefficient (-3) of (x). Their constant terms are different, so their (y)-intercepts are different.

Step 2

Why this answer is correct

The correct answer is A. उनकी ढाल समान है / Their slopes are the same. Both have coefficient (-3) of (x). Their constant terms are different, so their (y)-intercepts are different.

Step 3

Exam Tip

दोनों में (x) का गुणांक (-3) है। स्थिर पद अलग हैं इसलिए (y)-अवरोध अलग होंगे।

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दो रेखाएं (y=2x-6) और (y=-7x-6) कैसी समानता रखती हैं?

What similarity do the two lines (y=2x-6) and (y=-7x-6) have?

Explanation opens after your attempt
Correct Answer

B. दोनों का (y)-अवरोध समान हैBoth have the same (y)-intercept

Step 1

Concept

Both have constant term (-6). Therefore both have the same (y)-intercept.

Step 2

Why this answer is correct

The correct answer is B. दोनों का (y)-अवरोध समान है / Both have the same (y)-intercept. Both have constant term (-6). Therefore both have the same (y)-intercept.

Step 3

Exam Tip

दोनों में स्थिर पद (-6) है। इसलिए दोनों का (y)-अवरोध समान है।

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रेखा (y=-15) की ढाल और (y)-अवरोध क्या हैं?

What are the slope and (y)-intercept of the line (y=-15)?

Explanation opens after your attempt
Correct Answer

B. ढाल (0) और (y)-अवरोध (-15)Slope (0) and (y)-intercept (-15)

Step 1

Concept

(y=-15) is a horizontal line. Its slope is (0) and its (y)-intercept is (-15).

Step 2

Why this answer is correct

The correct answer is B. ढाल (0) और (y)-अवरोध (-15) / Slope (0) and (y)-intercept (-15). (y=-15) is a horizontal line. Its slope is (0) and its (y)-intercept is (-15).

Step 3

Exam Tip

(y=-15) क्षैतिज रेखा है। इसकी ढाल (0) और (y)-अवरोध (-15) है।

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रेखा (y=0x+6) में (x) के (10) बढ़ने पर (y) में कितना परिवर्तन होगा?

In the line (y=0x+6), what change will occur in (y) when (x) increases by (10)?

Explanation opens after your attempt
Correct Answer

A. (0)

Step 1

Concept

The slope is (0). So even when (x) changes, there is no change in (y).

Step 2

Why this answer is correct

The correct answer is A. (0). The slope is (0). So even when (x) changes, there is no change in (y).

Step 3

Exam Tip

ढाल (0) है। इसलिए (x) बदलने पर भी (y) में कोई परिवर्तन नहीं होगा।

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रेखा \(y=\frac{2}{3}x+1\) में (x) के (9) बढ़ने पर (y) कितना बढ़ेगा?

In the line \(y=\frac{2}{3}x+1\), how much will (y) increase when (x) increases by (9)?

Explanation opens after your attempt
Correct Answer

B. (6)

Step 1

Concept

The slope is \(\frac{2}{3}\). The change will be \(\frac{2}{3}\times9=6\).

Step 2

Why this answer is correct

The correct answer is B. (6). The slope is \(\frac{2}{3}\). The change will be \(\frac{2}{3}\times9=6\).

Step 3

Exam Tip

ढाल \(\frac{2}{3}\) है। परिवर्तन \(\frac{2}{3}\times9=6\) होगा।

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रेखा \(y=-\frac{4}{5}x+12\) में (x) के (15) बढ़ने पर (y) कितना घटेगा?

In the line \(y=-\frac{4}{5}x+12\), how much will (y) decrease when (x) increases by (15)?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

The slope is \(-\frac{4}{5}\). The change is \(-\frac{4}{5}\times15=-12\), so the decrease is (12).

Step 2

Why this answer is correct

The correct answer is C. (12). The slope is \(-\frac{4}{5}\). The change is \(-\frac{4}{5}\times15=-12\), so the decrease is (12).

Step 3

Exam Tip

ढाल \(-\frac{4}{5}\) है। परिवर्तन \(-\frac{4}{5}\times15=-12\) है इसलिए कमी (12) है।

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यदि (y=mx-4) रेखा ( (2,6) ) से गुजरती है तो ढाल क्या है?

If the line (y=mx-4) passes through ( (2,6) ), what is the slope?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

Substituting the point gives (6=2m-4). Thus (2m=10) and (m=5).

Step 2

Why this answer is correct

The correct answer is C. (5). Substituting the point gives (6=2m-4). Thus (2m=10) and (m=5).

Step 3

Exam Tip

बिंदु रखने पर (6=2m-4) मिलता है। इससे (2m=10) और (m=5) है।

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यदि (y=5x+c) रेखा ( (3,8) ) से गुजरती है तो (y)-अवरोध क्या है?

If the line (y=5x+c) passes through ( (3,8) ), what is the (y)-intercept?

Explanation opens after your attempt
Correct Answer

B. (-7)

Step 1

Concept

Substituting the point gives (8=5(3)+c). Therefore (c=-7) is the (y)-intercept.

Step 2

Why this answer is correct

The correct answer is B. (-7). Substituting the point gives (8=5(3)+c). Therefore (c=-7) is the (y)-intercept.

Step 3

Exam Tip

बिंदु रखने पर (8=5(3)+c) मिलता है। इसलिए (c=-7) (y)-अवरोध है।

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कौन सी रेखा (x=0) पर (y=12) देती है और ढाल (-4) रखती है?

Which line gives (y=12) at (x=0) and has slope (-4)?

Explanation opens after your attempt
Correct Answer

B. (y=-4x+12)

Step 1

Concept

At (x=0), (y=12) gives (c=12). With slope (-4), (y=-4x+12) is correct.

Step 2

Why this answer is correct

The correct answer is B. (y=-4x+12). At (x=0), (y=12) gives (c=12). With slope (-4), (y=-4x+12) is correct.

Step 3

Exam Tip

(x=0) पर (y=12) से (c=12) मिलता है। ढाल (-4) होने से (y=-4x+12) सही है।

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कौन सी रेखा (x=0) पर (y=-8) देती है और ढाल (6) रखती है?

Which line gives (y=-8) at (x=0) and has slope (6)?

Explanation opens after your attempt
Correct Answer

A. (y=6x-8)

Step 1

Concept

(y=-8) at (x=0) means (c=-8). With slope (6), the line is (y=6x-8).

Step 2

Why this answer is correct

The correct answer is A. (y=6x-8). (y=-8) at (x=0) means (c=-8). With slope (6), the line is (y=6x-8).

Step 3

Exam Tip

(x=0) पर (y=-8) का अर्थ (c=-8) है। ढाल (6) से रेखा (y=6x-8) है।

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रेखा (y=9x+2) और (y=-9x+2) के बारे में सही कथन क्या है?

Which statement about (y=9x+2) and (y=-9x+2) is correct?

Explanation opens after your attempt
Correct Answer

B. ढाल अलग है और (y)-अवरोध समान हैंSlopes are different and (y)-intercepts are same

Step 1

Concept

The slopes are (9) and (-9), but the constant term (2) is the same. So the (y)-intercepts are the same.

Step 2

Why this answer is correct

The correct answer is B. ढाल अलग है और (y)-अवरोध समान हैं / Slopes are different and (y)-intercepts are same. The slopes are (9) and (-9), but the constant term (2) is the same. So the (y)-intercepts are the same.

Step 3

Exam Tip

ढालें (9) और (-9) हैं लेकिन स्थिर पद (2) समान है। इसलिए (y)-अवरोध समान हैं।

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रेखा (y=-2x+10) और (y=-2x-3) के बारे में सही कथन क्या है?

Which statement about (y=-2x+10) and (y=-2x-3) is correct?

Explanation opens after your attempt
Correct Answer

A. ढाल समान है और (y)-अवरोध अलग हैंSlopes are same and (y)-intercepts are different

Step 1

Concept

Both have coefficient (-2) of (x). The constant terms (10) and (-3) are different.

Step 2

Why this answer is correct

The correct answer is A. ढाल समान है और (y)-अवरोध अलग हैं / Slopes are same and (y)-intercepts are different. Both have coefficient (-2) of (x). The constant terms (10) and (-3) are different.

Step 3

Exam Tip

दोनों में (x) का गुणांक (-2) है। स्थिर पद (10) और (-3) अलग हैं।

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रेखा (y=11x-4) में ढाल का चिन्ह और (y)-अवरोध का चिन्ह क्या है?

What are the signs of the slope and the (y)-intercept in the line (y=11x-4)?

Explanation opens after your attempt
Correct Answer

A. ढाल धनात्मक और (y)-अवरोध ऋणात्मकSlope positive and (y)-intercept negative

Step 1

Concept

The slope is (11), which is positive, and the constant term (-4) is negative. Check the signs separately.

Step 2

Why this answer is correct

The correct answer is A. ढाल धनात्मक और (y)-अवरोध ऋणात्मक / Slope positive and (y)-intercept negative. The slope is (11), which is positive, and the constant term (-4) is negative. Check the signs separately.

Step 3

Exam Tip

ढाल (11) है जो धनात्मक है और स्थिर पद (-4) ऋणात्मक है। संकेत अलग-अलग देखें।

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रेखा (y=-7x+9) में ढाल का चिन्ह और (y)-अवरोध का चिन्ह क्या है?

What are the signs of the slope and the (y)-intercept in the line (y=-7x+9)?

Explanation opens after your attempt
Correct Answer

B. ढाल ऋणात्मक और (y)-अवरोध धनात्मकSlope negative and (y)-intercept positive

Step 1

Concept

The slope (-7) is negative and the (y)-intercept (9) is positive. Identify the coefficient of (x) and the constant term.

Step 2

Why this answer is correct

The correct answer is B. ढाल ऋणात्मक और (y)-अवरोध धनात्मक / Slope negative and (y)-intercept positive. The slope (-7) is negative and the (y)-intercept (9) is positive. Identify the coefficient of (x) and the constant term.

Step 3

Exam Tip

ढाल (-7) ऋणात्मक है और (y)-अवरोध (9) धनात्मक है। (x) के गुणांक और स्थिर पद को पहचानें।

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यदि (y=3x+c) का (y)-अवरोध (2) है तो (x=4) पर (y) क्या होगा?

If (y=3x+c) has (y)-intercept (2), what will (y) be at (x=4)?

Explanation opens after your attempt
Correct Answer

C. (14)

Step 1

Concept

The (y)-intercept (2) gives (c=2). Putting (x=4), (y=3(4)+2=14).

Step 2

Why this answer is correct

The correct answer is C. (14). The (y)-intercept (2) gives (c=2). Putting (x=4), (y=3(4)+2=14).

Step 3

Exam Tip

(y)-अवरोध (2) से (c=2) है। (x=4) रखने पर (y=3(4)+2=14) है।

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यदि (y=mx-5) की ढाल (4) है तो (x=3) पर (y) क्या होगा?

If (y=mx-5) has slope (4), what will (y) be at (x=3)?

Explanation opens after your attempt
Correct Answer

B. (7)

Step 1

Concept

Slope (4) gives (m=4). Putting (x=3), (y=4(3)-5=7).

Step 2

Why this answer is correct

The correct answer is B. (7). Slope (4) gives (m=4). Putting (x=3), (y=4(3)-5=7).

Step 3

Exam Tip

ढाल (4) से (m=4) है। (x=3) रखने पर (y=4(3)-5=7) मिलता है।

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रेखा (y=-5x+16) में (x) (1) से (5) तक बढ़े तो (y) में कुल परिवर्तन क्या होगा?

In the line (y=-5x+16), what is the total change in (y) when (x) increases from (1) to (5)?

Explanation opens after your attempt
Correct Answer

C. (20) घटेगाDecreases by (20)

Step 1

Concept

The change in (x) is (5-1=4). The change in (y) is \(-5\times4=-20\).

Step 2

Why this answer is correct

The correct answer is C. (20) घटेगा / Decreases by (20). The change in (x) is (5-1=4). The change in (y) is \(-5\times4=-20\).

Step 3

Exam Tip

(x) में परिवर्तन (5-1=4) है। (y) का परिवर्तन \(-5\times4=-20\) है।

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FAQs

Class 9 Mathematics Quiz FAQs

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