College Algebra · Module 13 · Systems of equations and inequalities

Systems Walkthrough

Watch two lines meet at the one point that solves both equations, then solve systems by graphing, substitution, elimination and matrices, shade inequalities into feasible regions, and use systems on mixtures, prices and planning. 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 Systems Lab. On every graph the first equation is drawn in purple and the second in teal; dashed boundaries are not included and solid ones are. Health numbers are practice numbers, not clinical guidance. Animations loop so you can watch them as many times as you like.