Week 13 Day 1 Lesson Summary
Describe how you know if a system has one solution - both what it looks like on a graph and what you know about the equations.
Describe how you know if a system has no solution - both what it looks like on a graph and what you know about the equations.
Describe how you know if a system has infinitely many solutions - both what it looks like on a graph and what you know about the equations.