Question: how to find the roots and vertex of a quadratic equation?
Answer: A quadratic equation is written as ax2+bx+c in its standard form. And the vertex can be found by using the formula −b2a . For example, let's suppose our problem is to find out vertex (x,y) of the quadratic equation x2+2x−3 . 2) Plug in your values into the formula −b2a .