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.
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.