SOLUTION: How do you get the equation y=-2(x+8)^2+9 in standard form of a parabola?

Algebra ->  Linear-equations -> SOLUTION: How do you get the equation y=-2(x+8)^2+9 in standard form of a parabola?       Log On


   



Question 574616: How do you get the equation y=-2(x+8)^2+9 in standard form of a parabola?

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
How do you get the equation y=-2(x+8)^2+9 in standard form
FOIL (x+8)(x+8)
y = -2(x^2 + 8x + 8x + 64) + 9
y = -2(x^2 + 16x + 64) + 9
y = -2x^2 - 32x - 128 + 9
y = -2x^2 - 32x - 119