परवलय (y=(x+2)2-7) की सममिति अक्ष कौन सी है?

What is the axis of symmetry of the parabola (y=(x+2)2-7)?

Explanation opens after your attempt
Correct Answer

A. (x=-2)

Step 1

Concept

In (y=(x-h)2+k) the axis of symmetry is (x=h). Here (h=-2).

Step 2

Why this answer is correct

The correct answer is A. (x=-2). In (y=(x-h)2+k) the axis of symmetry is (x=h). Here (h=-2).

Step 3

Exam Tip

(y=(x-h)2+k) में सममिति अक्ष (x=h) होती है। यहां (h=-2) है।

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परवलय (y=(x+2)2-7) की सममिति अक्ष कौन सी है? / What is the axis of symmetry of the parabola (y=(x+2)2-7)?

Correct Answer: A. (x=-2). Explanation: (y=(x-h)2+k) में सममिति अक्ष (x=h) होती है। यहां (h=-2) है। / In (y=(x-h)2+k) the axis of symmetry is (x=h). Here (h=-2).

Which concept should I revise for this Mathematics MCQ?

In (y=(x-h)2+k) the axis of symmetry is (x=h). Here (h=-2).

What exam hint can help solve this Mathematics question?

(y=(x-h)2+k) में सममिति अक्ष (x=h) होती है। यहां (h=-2) है।