# Tag «Math»

## Tutorial: Complete the Square

“Completing the Square” is an algebra skill that you will need to use when you’re playing with quadratics, circles, and (other) conic sections. Once you get the hang of it it’s no big deal, but it can be a bit mystifying until then. Let’s clear it up, and then for a bonus, I’ll show you were the quadratic formula comes from.

## Tutorial: Un-Multiplying (aka Factoring)

The skill of factoring comes up again and again in math classes. There are easy ways to factor, and hard ways to factor; let’s make sure you know the easy ways! Basic factoring: Basic factoring is an investigation into what a collection of terms has in common. If all of the terms in an expression have a …

## Tutorial: Polynomial Vocabulary

To play with polynomials it’s essential to have the right vocabulary. Today we’ll define term, coefficient, variable, degree, polynomial, standard form, leading coefficient, constant term, monomial, binomial, and trinomial.

## Tutorial: Polynomial Division

Today let’s look at two different types of polynomial division: Polynomial Long Division and Synthetic Division. Long division will work when dividing by any polynomial, synthetic division only works when the divisor is a first degree binomial. This is definitely a case where the explanation is trickier than the process. If you find the text confusing, …

## Tutorial: Multiplying Polynomials

A quick tutorial on multiplying polynomials. We touch on “FOIL”, and talk about why the “box method” might be a better technique for you to use.

## Trigonometry Trouble

There are so many ways to think about trigonometry. Here are some of the ways we think about trig, and some hints about how to make learning and studying trigonometry easier for you.