Question

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

Answer 1

A

Explanation:

Answer 2

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