CLEP College Algebra/Quadratic Equations

Quadratic Equations
Quadratic equations take the form: $$y = ax^2 + bx + c$$

They can have zero, one, or two real solutions.

The Quadratic Equation
To solve any quadratic equation in the standard form, use: $$x = \frac{-b \pm \sqrt {b^2-4ac}}{2a}$$