1) I can describe the solutions of a system as where the graphs overlap.
The solution to: { y= 3x -4 , y= -2x +1 } is where the lines intersect, at (2, -1).
Standard: 8.EE.8a
2) I can estimate the solution to a system using a graph.
3) I can solve a system using algebra.
Standard: 8.EE.8b
4) I can solve story problems using a system of equations.
Jo bought 4 DVDs and 3 CDs at the discount store for $26.
Since it was such a bargain, Jo went back and bought 5 DVDs and 7 CDs for $46.
What was the price of one DVD?
Standard: 8.EE.8c
