8th Grade · Expressions & Equations
Solution of a System
8.EE.C.8a
Definition
The ordered pair of values that makes every equation in the system true at the same time, shown as the intersection point of the graphs.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
Examples
- (1,3) solves both y = 2x+1 and y = −x+4.
- Substitute the point into all equations to verify.
Key rule
The solution must satisfy every equation in the system.
Memory hook
The one point that works in every equation.