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Question

The vertex of the parabola x2+2y=8x-7is


A

92,0

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B

4,92

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C

2,92

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D

4,72

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Solution

The correct option is B

4,92


Explanation for the correct option:

Given equation of the parabola is x2+2y=8x-7

Vertex of parabola is (0,0).

The equation can be written as (x-4)2=-2y-92

The vertex of parabola is 4,92

Hence the correct option is OptionB


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