In this video, we provide essential "math help" by demonstrating how to find the input value when given the output of a "function". We walk through solving "math equations" to "solve for x" using ...

There’s a line from the original Star Trek where Khan says, “Improve a mechanical device and you may double productivity, but improve man and you gain a thousandfold.” Joan Horvath and Rich Cameron ...

Add Yahoo as a preferred source to see more of our stories on Google. Schools are often described as engines of opportunity — places where students gain the skills and knowledge needed to build their ...

Prepares students for Precalculus and other higher math courses requiring intermediate algebra. Topics include: linear equations and inequalities, absolute value equations and inequalities, systems of ...