How to prove the Vertex Formula?
How can you prove the vertex formula (x = -b/2a) works?
September 20, 2012
How to prove the Vertex Formula?
How can you prove the vertex formula (x = -b/2a) works?
1 Comment • Newest first
You need to know calculus inorder to prove it.
basically you start out with the equation of a parabola; f(x) = ax^2 + bx + c
then you take the derivative of it
then you set the derivative to 0, and solve.