The vertex of this parabola is at (5, - 4). Which of the following could be its equation?

A.

y = 2 (x - 5) 2 - 4

B.

y = 2 (x + 5) 2 - 4

C.

y = 2 (x + 5) 2 + 4

D.

y = 2 (x - 5) 2 + 4

Question

5 February, 03:14

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Answers (1)

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Ismael · Answer 1

So, a parabola has the equation

y=a (x-h) ^2+k with vertex (h, k) so we have y=a (x-5) ^2-4 so the answer is A

The vertex of this parabola is at (5, - 4). Which of the following could be its equation?A.y = 2 (x - 5) 2 - 4B.y = 2 (x + 5) 2 - 4C.y = 2 (x + 5) 2 + 4D.y = 2 (x - 5) 2 + 4