Concept-wise Practice

one-zero MCQ Questions for Class 10

one-zero se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

Practice Questions

5 questions tagged with one-zero.

Question 1/5 Medium Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

किस ग्राफ में ठीक एक वास्तविक शून्यक होगा?

Which graph will have exactly one real zero?

Explanation opens after your attempt
Correct Answer

B. जो (x)-अक्ष को एक ही बिंदु पर स्पर्श करेOne that touches the (x)-axis at only one point

Step 1

Concept

One touching point gives one real zero. Tip: zeroes depend on meeting the (x)-axis.

Step 2

Why this answer is correct

The correct answer is B. जो (x)-अक्ष को एक ही बिंदु पर स्पर्श करे / One that touches the (x)-axis at only one point. One touching point gives one real zero. Tip: zeroes depend on meeting the (x)-axis.

Step 3

Exam Tip

एक ही स्पर्श बिंदु एक वास्तविक शून्यक देता है। टिप: शून्यक (x)-अक्ष से मिलने पर निर्भर है।

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Question 2/5 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 23

यदि परवलय (x)-अक्ष को ((3,0)) पर केवल छूता है, तो द्विघात बहुपद के वास्तविक शून्यकों की संख्या क्या है?

If a parabola only touches the (x)-axis at ((3,0)), how many real zeroes does the quadratic polynomial have?

Explanation opens after your attempt
Correct Answer

A. एकOne

Step 1

Concept

Touching also means meeting the (x)-axis, but there is only one point. Hence there is one real zero.

Step 2

Why this answer is correct

The correct answer is A. एक / One. Touching also means meeting the (x)-axis, but there is only one point. Hence there is one real zero.

Step 3

Exam Tip

छूना भी (x)-अक्ष से मिलना है, लेकिन बिंदु केवल एक है। इसलिए एक वास्तविक शून्यक होगा।

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Question 3/5 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

यदि परवलय (x)-अक्ष को ((2,0)) पर छूकर ऊपर लौट जाता है, तो शून्यकों की संख्या क्या होगी?

If a parabola touches the (x)-axis at ((2,0)) and turns upward, how many zeroes does it have?

Explanation opens after your attempt
Correct Answer

A. एकOne

Step 1

Concept

The parabola meets the (x)-axis at only one point. Therefore it has one real zero, (2).

Step 2

Why this answer is correct

The correct answer is A. एक / One. The parabola meets the (x)-axis at only one point. Therefore it has one real zero, (2).

Step 3

Exam Tip

परवलय (x)-अक्ष से केवल एक बिंदु पर मिलता है। इसलिए उसका एक वास्तविक शून्यक (2) होगा।

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Question 4/5 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

यदि किसी परवलय का शीर्ष (x)-अक्ष पर है और वह (x=4) पर है, तो वास्तविक शून्यक क्या होगा?

If the vertex of a parabola lies on the (x)-axis at (x=4), what is the real zero?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

When a parabola touches the (x)-axis at its vertex, it has one real zero. Its (x)-coordinate is (4).

Step 2

Why this answer is correct

The correct answer is A. (4). When a parabola touches the (x)-axis at its vertex, it has one real zero. Its (x)-coordinate is (4).

Step 3

Exam Tip

जब परवलय (x)-अक्ष को शीर्ष पर छूता है, तो एक ही वास्तविक शून्यक होता है। उसका (x)-निर्देशांक (4) है।

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Question 5/5 Easy Mathematics Chapter 2: Polynomials Geometrical meaning of the zeroes of a polynomial. Class 10 Level 22

यदि परवलय (x)-अक्ष को केवल छूता है, काटता नहीं है, तो द्विघात बहुपद के वास्तविक शून्यकों की संख्या क्या होगी?

If a parabola only touches the (x)-axis and does not cut it, how many real zeroes does the quadratic polynomial have?

Explanation opens after your attempt
Correct Answer

A. एकOne

Step 1

Concept

When a parabola touches the (x)-axis at one point, it has one real zero. In exams, touching the (x)-axis also counts as meeting it.

Step 2

Why this answer is correct

The correct answer is A. एक / One. When a parabola touches the (x)-axis at one point, it has one real zero. In exams, touching the (x)-axis also counts as meeting it.

Step 3

Exam Tip

जब परवलय (x)-अक्ष को केवल एक बिंदु पर छूता है, तो एक वास्तविक शून्यक होता है। परीक्षा में छूना भी (x)-अक्ष से मिलना माना जाता है।

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