Sets: Real Number Line, Interval Notation & Set Notation

A set is a collection of “elements.”  The elements of a set can actually be anything: {January, February, March} is a set, but here we’ll…

Square Roots

You already know about squaring, 4² = 16, 7² = 49, and so forth.  The opposite, or inverse, of squaring is taking the square root. …

Simplifying: Combining Terms

One of the most common operations when working with polynomials is simplifying by combining like terms.  Terms can be combined only if they have exactly the same…

Translating Word Problems

The hardest thing about doing word problems is taking the words and translating them into math.  Usually, once you get the equation, you’re fine and…

Properties of Real Numbers

In your algebra classes, you’ll encounter the three basic properties of numbers.  Although these properties will be more relevant in matrix algebra, calculus and advanced…

Solving Linear Inequalities

Solving linear inequalities is almost like solving linear equations.  Here’s how it works: Solve x + 3 < 0 If the problem was x + 3 = 0, we’d…