Practice Up next for you: Solutions to 2-variable equations Get 3 of 4 questions to level up!

Learn to recognize if a function is linear. Created by Sal Khan and Monterey Institute for Technology and Education.

When distances, prices, or any other quantity in our world changes at a constant rate, we can use linear functions to model them. Let's learn how different representations, including graphs and …

This topic covers: - Intercepts of linear equations/functions - Slope of linear equations/functions - Slope-intercept, point-slope, & standard forms - Graphing linear equations/functions - Writing …

There are three major forms of linear equations: point-slope form, standard form, and slope-intercept form. We review all three in this article.

Zachary, One way to say it is that: A linear function is an equation that's solution set of (x,y) pairs when graphed would create a line on the graph.

Linear functions are usually written in either slope-intercept form or standard form. We need a thorough and flexible understanding of these forms in order to approach many SAT questions …

Practice One-step addition & subtraction equations Get 5 of 7 questions to level up!

The standard form for linear equations in two variables is Ax+By=C. For example, 2x+3y=5 is a linear equation in standard form. When an equation is given in this form, it's pretty easy to find …

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …