SOLUTION: If the zeros of a quadratic function, F, are -3 and 5, what is the equation of the axis of symmetry of F? Justify your answer

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Question 1177226: If the zeros of a quadratic function, F, are -3 and 5, what is the equation of the axis of symmetry of F? Justify your answer
Found 2 solutions by MathLover1, ewatrrr:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

The axis of symmetry of a quadratic function y+=+f%28x%29+crosses the x-axis halfway between the x-intercepts.
%28-3%2B5%29%2F2=2%2F2=1
So, the axis of symmetry is the vertical line x+=+1.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
f(x) (x+3)(x-5) = x^2 - 2x - 15  0r 
f(x) = (x-1)^2 - 16
axis of symmetry is x = 1
Wish You the Best in your Studies.