A= -5 is the correct answer
Answer:
x=2
Step-by-step explanation:
F(x) = 2x^2 - 8x +8
Axis of symmetry lies at the x coordinate of vertex
To find x coordinate of vertex use formula

from the given f(x) , a= 2 and b = -8
Plug in all the values


x=2
So the axis of symmetry at x=2
Answer:
9,1
Step-by-step explanation:
Answer:
19 - 28/n
n= 7
19 - 28/7
19-4
= 15
Step-by-step explanation: