Say someone sets out to prove, by contradiction, that something is a joke. You would have to assume the opposite of what she’s proving is true. You would follow her thoughts logically until a ...

A lot of times when simplifying square roots incorrectly students will say, "Oh, well I have an x squared. So that means if I took the square root of that then I that will be just x. And here's a 9, ...

Somewhere around middle school, you learned about squaring numbers and the inverse, finding the square root of a number, but a little reminder can't hurt. You square a number when you multiply it by ...