Question

find the coordinate of vertex for the parabola defined by the given quad. function.
F(x)=-x^2-8x+2

Answer 1

is the answer (-4,18)

Answer 2

\[- \frac{ b }{ 2a } =-\frac{ -8 }{ 2(-1) }\]

Answer 3

answer is correct:)

Answer 4

so -(-8)/-1=-8
then divided -8/2 =-4

Answer 5

thank you!