emilybb195
contestada

SOMEONE PLEASE HELP
What are the coordinates of the vertex of the parabola described by the equation below? 

y = -4(x - 3)2 + 5

 A.(3, 5) 
B.(5, -3) 
C.(-3, -5) 
D.(-5, 3)

Respuesta :

brandonlapierre
I got y + 8x - 29 = 0
tonb
By looking at the formula you can see that the quadratic part is 0 if you fill in x=3 (you know, 3-3 = 0). The outcome of the formula then becomes y= 0+5.

That gives us point (3,5) as the top of the parabola. So there you go, answer A.

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