How do you find the vertex of a parabola #y=x^2 - 9x#?
2 Answers
Jul 18, 2015
The vertex is at
Explanation:
The standard form of the equation for a parabola is
The
To find the
The vertex is at (
graph{y = x^2-9x [-10, 20, -25, 25]}
Jul 22, 2015
Another way of graphing can be as explained below.
Explanation:
After writing the quadratic equation in vertex form y=