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27 March, 17:20

The vertex of the parabola is at (-3,-2) which of the following could be its equation

A; x=-2 (y+3) ^2-2

B; x=-2 (y-2) ^2-2

C; x=-2 (y-2) ^2-3

D; x=-2 (y+2) ^2-3

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Answers (1)
  1. 27 March, 17:49
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    The general vertex equation of a parabola is

    x = a (x - h) ^2 + k where (h, k) is the coordinates of the vertex.

    here h = - 3 and k = - 2

    so

    x = - 2 (y - (-3) - 2 is the vertex equation

    simplifyIng it is

    x = - 2 (y + 3) ^2 - 2

    Its A
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