
Vertex Form of Quadratic Equations
... Is there a way to tell how many x-intercepts a parabola will have without solving the equation? Yes, use the discriminant (also called the radicand of the quadratic formula – see page 293 of textbook) ...
... Is there a way to tell how many x-intercepts a parabola will have without solving the equation? Yes, use the discriminant (also called the radicand of the quadratic formula – see page 293 of textbook) ...