SOLUTION: A quadratic function f(x)=0 has a solution x=3 its graph has vertex (-1,-16) what is the other solution of the equation

Algebra ->  Equations -> SOLUTION: A quadratic function f(x)=0 has a solution x=3 its graph has vertex (-1,-16) what is the other solution of the equation       Log On


   

Question 1089062: A quadratic function f(x)=0 has a solution x=3 its graph has vertex (-1,-16) what is the other solution of the equation
Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
The axis of symmetry goes through the vertex, so it is x=-1 .
If one zero of f%28x%29 is at x=3 ,
3-%28-1%29=4 units to the right,
the other zero must be 4 units to the left of the axis,
at x=-1-4=-5 , so it is highlight%28x=-5%29 .