Chapter 9 - Solving Quadratic Equations - 9.5 - Solving Quadratic Equations Using the Quadratic Formula - Exercises - Page 521: 1

We can use quadratic formula to solve any quadratic equation. The quadratic formula is $x=\frac{-b \pm \sqrt {b^{2}-4ac}}{2a}$.

We can use quadratic formula to solve any quadratic equation. The quadratic formula for a quadratic equation in the standard form $ax^{2}+bx+c$ is $x=\frac{-b \pm \sqrt {b^{2}-4ac}}{2a}$.