SOLUTION: Cant understand how to get axis of symmetry for: y=x^2-5x-6 and y=x^2-6x-7

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Cant understand how to get axis of symmetry for: y=x^2-5x-6 and y=x^2-6x-7      Log On


   



Question 390766: Cant understand how to get axis of symmetry for:
y=x^2-5x-6
and
y=x^2-6x-7

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
y=x^2-5x-6
The axis of symmetry is
x = -b/2a
x = -(-5)/2
x = 5/2
----------
and
y=x^2-6x-7
a = 2
b = -6