Lesson 94 of 95

The Sum and Product of Roots Formula
Students learn the sum and product of roots formula, which states that if the roots of a quadratic equation are given, the quadratic equation can be written as 0 = x^2 - (sum of roots)x + (product of roots). For example, to write a quadratic equation that has the given roots -9 and 4,  more...
Start Now to get your Online Math Help lessons from Your Teacher math tutors

Elementary / Middle
High School Math

Community College
College Math

*Also referred to as Elementary Algebra or Beginning Algebra.
Homeschoolers click here!