Literal equations can be hard on their own, but some problems are just more difficult than others. In this video, I want to ...

In this video we are going to focus on mistakes that students make when they need to solve a system of equation by graphing ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...

Sometimes, while writing my own textbook, I find myself questioning whether something deviates from the norm. The other day, ...