If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit 3: Linear equations, functions, & graphs

About this unit

This topic covers:

  • Intercepts of linear equations/functions
  • Slope of linear equations/functions
  • Slope-intercept, point-slope, & standard forms
  • Graphing linear equations/functions
  • Writing linear equations/functions
  • Interpreting linear equations/functions
  • Linear equations/functions word problems

Two-variable linear equations intro

Learn

Practice

x-intercepts and y-intercepts

Learn

Practice

Slope

Learn

Practice

Horizontal & vertical lines

Learn

Practice

Intro to slope-intercept form

Learn

Practice

Graphing slope-intercept equations

Learn

Practice

Writing slope-intercept equations

Learn

Practice

Point-slope form

Learn

Practice

Standard form

Learn

Practice

Summary: Forms of two-variable linear equations

Learn

Practice

Interpreting linear functions and equations

Learn

Practice

Comparing linear functions

Learn

Practice

Constructing linear models for real-world relationships

Learn

Practice

Linear models word problems

Learn

Practice

Unit test

Test your understanding of Linear equations, functions, & graphs with these NaN questions.