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negative c MCQ Questions for Class 10

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

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3 questions tagged with negative c.

Question 1/3 Medium Mathematics Quadratic Equations Nature of Roots Class 10 Level 37

समीकरण \(6x^2-x-2=0\) के लिए सही प्रकृति चुनिए।

Choose the correct nature for \(6x^2-x-2=0\).

Explanation opens after your attempt
Correct Answer

A. दो वास्तविक परिमेय और असमान ((D=49))Two real rational and distinct ((D=49))

Step 1

Concept

Here (D=(-1)2-4(6)(-2)=49). A positive perfect-square (D) gives rational distinct roots.

Step 2

Why this answer is correct

The correct answer is A. दो वास्तविक परिमेय और असमान ((D=49)) / Two real rational and distinct ((D=49)). Here (D=(-1)2-4(6)(-2)=49). A positive perfect-square (D) gives rational distinct roots.

Step 3

Exam Tip

यहाँ (D=(-1)2-4(6)(-2)=49) है। धनात्मक पूर्ण वर्ग (D) परिमेय असमान मूल देता है।

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Question 2/3 Easy Mathematics Quadratic Equations Nature of Roots Class 10 Level 39

समीकरण \(x^2-2x-1=0\) के लिए (D) का मान क्या होगा?

What will be the value of (D) for \(x^2-2x-1=0\)?

Explanation opens after your attempt
Correct Answer

A. (8)

Step 1

Concept

Here (D=(-2)2-4(1)(-1)=8). Handle the sign carefully when (c) is negative.

Step 2

Why this answer is correct

The correct answer is A. (8). Here (D=(-2)2-4(1)(-1)=8). Handle the sign carefully when (c) is negative.

Step 3

Exam Tip

यहाँ (D=(-2)2-4(1)(-1)=8) है। ऋणात्मक (c) के साथ चिन्ह ध्यान से लगाएँ।

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Question 3/3 Easy Mathematics Quadratic Equations Nature of Roots Class 10 Level 38

समीकरण \(x^2-2x-3=0\) के लिए (D) क्या है?

What is (D) for the equation \(x^2-2x-3=0\)?

Explanation opens after your attempt
Correct Answer

A. (16)

Step 1

Concept

Here (D=(-2)2-4(1)(-3)=16). When (c) is negative, handle signs carefully.

Step 2

Why this answer is correct

The correct answer is A. (16). Here (D=(-2)2-4(1)(-3)=16). When (c) is negative, handle signs carefully.

Step 3

Exam Tip

यहाँ (D=(-2)2-4(1)(-3)=16) है। (c) ऋणात्मक हो तो चिन्ह ध्यान से लगाएँ।

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