Test Review: Systems - Graphing and Substitution

• Infinite number solutions

Solve the system by graphing.

• No Solution

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Parallel Lines never intersect because...

• they have the same slopes. 
• they have the same y-intercept.
• they have different slopes.
• they have different y-intercepts. 

The solution (x, y) to a system of equations is the point where they...? 

• Run off the graph
• Don't touch
• Intersect
• Exist

Solve the system by graphing.

• Yes, it is a solution.

• No, it is not a solution.

Solve the system by substitution.

• A

• B

• C

• D

Solve each system by subtitution.

• A

• B

• C

• D

Solve by substitution.

• A

• B

• C

• D