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Urgent. Will give brainliest and 20 points!!
The vertex of the parabola is at (-3, -2). Which of the following could be its equation?

A. y = -2 (x-3)^2 + 2
B. y = -2 (x+3)^2 -2
C. y = -2 (x-3)^2 -2
D. y = -2 (x+3)^2 +2

Respuesta :

altavistard
If you begin with the basic equation of a vertical parabola:  y-k=a(x-h)^2, where (h,k) is the vertex, then that equation, when the vertex is (-3,-2), is 

y + 2 = a (x + 3)^2.  If we solve this for y, we get

y        = a(x+3)^2 - 2.  Thus, eliminate answers A and D.  That leaves B, since B correctly shows (x+3)^2.

Answer:

b

Step-by-step explanation:


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