One of the common errors in algebra is canceling bits in fractions that can’t be canceled. To remember the rule, though, you don’t have to memorize anything. You only have to think of a plain arithmetic problem to compare it. Continue Reading →
Category Archives: Algebra
How to Find the nth Term in a Sequence
If you’re asked to find the nth number in a pattern, do you know what nth means? Here’s where to start and what to do with all those n’s! Continue Reading →
Using Conjugates in Imaginary and Complex Number Work
We use conjugates in the manipulation of imaginary and complex numbers. So it’s important to understand what a conjugate is and how it works. I explain both here. Continue Reading →
A Quick Way to Learn Completing the Square
Completing the square isn’t as hard as everyone thinks. And there’s no reason to memorize a bunch of strange pixie dust magic math rules. Here’s the way to see it for what it is. Continue Reading →
How to Solve an Equation with Four Terms
Do you ever wonder why teachers start a problem the way they do? Here’s a good way to remain consistant. This is how I’ll do it on this site. Continue Reading →