In this video we will explore how to solve rational equations and label extraneous solutions. We will solve a variety of equations using multiple techniques. I make short, to-the-point online math ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

This profile has not been claimed by the company. See reviews below to learn more or submit your own review. Khan Academy has delivered free online educational resources since 2008, specializing in a ...

For 50 years, mathematicians have believed that the total number of real numbers is unknowable. A new proof suggests otherwise. The quest to make mathematics rigorous has a long and spotty history — ...