Answer:
??? what are you asking to fill in
Step-by-step explanation:
B.) 8(x+4) is the best choice
What do u need the absolute value on?
Answer:
x = 7
y = 0
Step-by-step explanation:
Close, but not quite.
Answer:
D)
Step-by-step explanation:
f(x) = x^2 -14x -72
0=x^2 - 14x-72
0=x^2 - 18x+4x-72
0=x(x-18)+4(x-18)
0=(x-18)(x+4)
x-18=0 or x+4=0
x1=18 or x2=-4
asis of symmetry: x=(x1+x2)/2
x=(18+(-4))/2
x=14/2
x=7