# Prime Factorization

Factors are the numbers you multiply to get another number.  For example, the factors of 15 are 1, 3, 5 and 15 because 1×15 =…

# 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. …

# Order of Operations

If you are asked to simplify something like 5 + 7 × 2, the question that arises is which way do I do this? Do…

# 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…