Study Guide

Quadratic Formula and Functions Topics

Imaginary and Complex Numbers

It's finally come to this, has it? We've run out of actual numbers to throw at you, so now we're...

Solving Quadratic Equations

A quadratic equation is a polynomial of degree 2. It always has an x2 term, but no larger...

Quadratic Functions

So, you already know about functions. They sit there, looking all y = f(x), showing a...

Quadratic-Like Equations

Sometimes you'll meet an equation that you think you don't know, and you'll start up a...

Quadratic Inequalities

Remember back when we looked at linear inequalities? At one point, we said, "We promise we'll try...

In the Real World

A quadratic equation can be used to describe the arc that a ball travels in the air, with x being...