परवलय (y=-2(x+3)2+7) की सममिति अक्ष कौन सी है?
What is the axis of symmetry of the parabola (y=-2(x+3)2+7)?
Explanation opens after your attempt
A. (x=-3)
Concept
In (y=a(x-h)2+k), the axis is (x=h). Here (h=-3).
Why this answer is correct
The correct answer is A. (x=-3). In (y=a(x-h)2+k), the axis is (x=h). Here (h=-3).
Exam Tip
(y=a(x-h)2+k) में अक्ष (x=h) होती है। यहां (h=-3) है।
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