College Algebra · Module 4 · Lines, slope and graphs

Lines Walkthrough

Watch lines build themselves on the coordinate plane: plot points, climb the slope staircase, write a line three ways, and use lines to model real data. Go at your own pace. Nothing here is graded.

Speed

Think of it like this

Quick check

Wrong answers are fine here. Read why, then try again.

Dr. Akash Garg · College Algebra Study Tools · CC BY-NC-SA 4.0
Use the left and right arrow keys to move between steps. Practice next in the Lines Lab. On every graph, run (horizontal change) is drawn in blue and rise (vertical change) in red; fractions are written stacked, one number over another. Animations loop so you can watch them as many times as you like.