8th Grade · Expressions & Equations
System of Equations
8.EE.C.8a
Definition
A set of two or more equations with the same variables, solved together. The solution is the point that satisfies all equations at once.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- The solution is where the graphs of both equations cross.
- Solve by graphing, substitution, or elimination — all give the same intersection point.
Key rule
The solution to a system is the point that makes every equation true.
Memory hook
Two or more equations, one shared solution.