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coefficient-b MCQ Questions for Class 10

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2 questions tagged with coefficient-b.

Question 1/2 Medium Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 30

समीकरण \(12-7x+x^2=0\) को \(ax^2+bx+c=0\) के रूप में लिखने पर (b) का मान क्या होगा?

When \(12-7x+x^2=0\) is written as \(ax^2+bx+c=0\), what is the value of (b)?

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Correct Answer

B. (-7)

Step 1

Concept

In proper order, the equation is \(x^2-7x+12=0\). So the coefficient of (x) is (b=-7).

Step 2

Why this answer is correct

The correct answer is B. (-7). In proper order, the equation is \(x^2-7x+12=0\). So the coefficient of (x) is (b=-7).

Step 3

Exam Tip

सही क्रम में समीकरण \(x^2-7x+12=0\) है। इसलिए (x) का गुणांक (b=-7) है।

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Question 2/2 Easy Mathematics Quadratic Equations Introduction to Quadratic Equations Class 10 Level 30

समीकरण \(2x^2-x+8=0\) में (x) का गुणांक क्या है?

What is the coefficient of (x) in \(2x^2-x+8=0\)?

Explanation opens after your attempt
Correct Answer

A. (-1)

Step 1

Concept

The coefficient of (-x) is (-1). It is necessary to write the coefficient with its sign.

Step 2

Why this answer is correct

The correct answer is A. (-1). The coefficient of (-x) is (-1). It is necessary to write the coefficient with its sign.

Step 3

Exam Tip

(-x) का गुणांक (-1) होता है। चिन्ह सहित गुणांक लिखना जरूरी है।

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