SOLUTION: I'm trying to figure out how to solve this problem. Thank you for all your help. Graph the quadratic function f(x)= 4(x+5)^2-1

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: I'm trying to figure out how to solve this problem. Thank you for all your help. Graph the quadratic function f(x)= 4(x+5)^2-1       Log On


   

Question 254535: I'm trying to figure out how to solve this problem. Thank you for all your help.
Graph the quadratic function f(x)= 4(x+5)^2-1
Answer by JimboP1977(311) About Me  (Show Source):
You can put this solution on YOUR website!
We can tell immedidately that the vertex is at points (-5,-1).
Rearranging to find the roots (where the graph crosses the x axis) we get 1%2F4=%28x%2B5%29%5E2 plus or minus sqrt%281%2F4%29-5=x so we know that the roots are 1%2F2-5=-4.5 and -1%2F2-5=-5.5
+graph%28+400%2C+400%2C+-10%2C+2%2C+-5%2C+5%2C+4%28x%2B5%29%5E2-1%29+