Today let’s work on graphing quadratic functions. A quadratic function is a quadratic equation where instead of 0 on one side of the equals sign, you have or . Remember: every point on a graph is an x, y pair that makes the function equation true. For purposes of demonstration, let’s use this function: First …

Three methods for solving quadratic equations: the quadratic formula (and a song!), using the zero product property, and using the square root method. Learn about all three techniques in this post!

## College Prep: Papers & Documents

In school (and life) there are always papers to write, projects to collaborate on, numbers to keep track of, and presentations to prepare. When I was in school, the default option was Microsoft Office. Now you can use Google Drive, an alternative to the MSOffice suite combined with a cloud-based file system, and it’s free!

## 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.

## Do I NEED A Tutor? Summer Preview Edition

Summer is Coming! Hooray! Summer vacation means that final exams are DONE and everyone can take a deep breath and relax a bit more fully. For many students and their families, a break from academic stress is the reward for working hard throughout the school year. Of course we’ll all keep reading and learning, but …

## 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, …

## College Prep: Calendar Setup

In today’s College Prep post, you will learn how to set up your Google Calendar so that all of your classes and other activities are in one place, accessible anywhere you can get on the internet (computer, phone, etc). A friend sent a college freshman’s schedule of classes and work-study for us to use: The schedule shows that this …