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 ...

Want to help your 11th-grader master math? Here are some of the skills your student will be learning in the classroom. For high school students, math skills and understandings are organized not by ...

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 ...

In this math tutorial, we discuss the essential formulas for functions in precalculus, which are also highly relevant for algebra 2 and calculus students. We'll cover concepts such as even and odd ...

Want to help your eighth-grader master math? Here are some of the skills your child will be learning in the classroom. Understand rational and irrational numbers. Know that a rational number can be ...