Answer:
B
d = 8√2
or
d ≈ 11.314
Step-by-step explanation:
Use distance formula:
Plug in given values:
Simplify:
The vertex is (-5,-1)
f(x) = 4(x+5)²-1
This is written in vertex form
y = a(x-h)^2 +k where ( h,k) is the vertex
f(x) = 4(x- -5)²-1
H is -5 and k = -1