SOLUTION: A parabola has the vertex (3, -25 ) and passes through the point (5, -17 ). Find a function f with this graph f(x) = Please help, Thanks

Algebra ->  Functions -> SOLUTION: A parabola has the vertex (3, -25 ) and passes through the point (5, -17 ). Find a function f with this graph f(x) = Please help, Thanks      Log On


   

Question 909866: A parabola has the vertex (3, -25 ) and passes through the point (5, -17 ). Find a function f with this graph
f(x) =
Please help,
Thanks
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Using vertex form,
y=a%28x-3%29%5E2-25
Now use the point,
-17=a%285-3%29%5E2-25
8=a%282%29%5E2
a=2
highlight%28f%28x%29=2%28x-3%29%5E2-25%29