Warm Up # 3 Complete POST – Assessment INDIVIDUALLY!!!!

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Presentation transcript:

Warm Up # 3 Complete POST – Assessment INDIVIDUALLY!!!!

Homework Check

Solve by Graphing Worksheet Work in pairs to complete the Investigation. You will have 20 minutes to complete this.

Solving Systems by Graphing

Review: The solution to a system of linear equations is the point where the two lines intersect.

Practice – Solve the system by graphing 1) y = 2x + 6 y = 4x + 4 Graphing calculator screen shots on next slide

Graphing Calculator

2. Solve by graphing (use your calculator 2. Solve by graphing (use your calculator!!!) Remember: All Equations must be in y=mx+b form! y – 3x = 10 y = 3x – 4 Hopefully students will notice that the lines have the same slope and not have to graph them to see the solution.

3) Solve by graphing (use your calculator!!!) 3x – 2y = 4 y = -2x + 5

4) Solve by graphing (use your calculator!!!) -4x + y = 3 x + y = -2

5) 6) 2x – y = 1 4x – 2y = 2 y = 2x – 3 -4x - 2y = -6