Hey,
I'm having trouble figuring out this one problem and I need a little help.
The question is:
What is the vertex form of the equation?
y = x^2 - 2x + 8
the choices are:
a. y = (x+1)^2 + 7
b. y = (x+1)^2 - 7
c. y = (x-1)^2 + 7
How do you figure this out?
Thanks in advance,
Brooke