SOLUTION: I am trying to find the vertex but I'm having a problem finding both the x and the y coordinate. The equation I am working on is y=x^2+10x. Can you help me

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: I am trying to find the vertex but I'm having a problem finding both the x and the y coordinate. The equation I am working on is y=x^2+10x. Can you help me      Log On


   



Question 997346: I am trying to find the vertex but I'm having a problem finding both the x and the y coordinate. The equation I am working on is y=x^2+10x. Can you help me
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex x value is -b/2a, where ax^2+bx+c=0
Here, a=1 and b=10
The x value of the vertex is -10/2= -5
That makes the y value -25
the vertex is at (-5,-25)
graph%28300%2C200%2C-10%2C10%2C-50%2C50%2Cx%5E2%2B10x%29