Today, we’re going to look at slope — the grade of a straight line on the coordinate plane. Specifically, we’re looking at how to use the rise over run formula to measure a line’s slope. This is sometimes also called the “slope formula,” which states that slope = (change in y)/(change in x), or (y1 […]

# Algebra 1

## Multiplying Fractions

Multiplying fractions is a piece of cake! In this article you’ll learn all you need to know about multiplying fractions, including mixed fraction methods.

## Math Practice: Working with Radical Expressions

Radical expressions in mathematics involve square roots, cube roots, and the like. Simplifying radicals and working with radical expressions are important!

## Math Practice: Negative and Fractional Exponents

Exponents can be tricky. We’ll review the laws of exponents and gain practice working out problems involving negative exponents and fractional exponents.