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Is the Solution Correct?
Solve by Graphing
Solve by Elimination
Solve by Substitution
Determine # of solutions without solving
100

Is (4,5) the solution to the following system? 

4x - y = 12 

x + 6y = 13

No

100
The solution to the system of equations:

y = 3x - 2
y = -x - 2

What is (0, -2)?
100
The solution to the system:

8a + 5b = 9
2a - 5b = -4

What is (0.5, 1)?
100
The solution to the system:

x = 4y
2x + 3y = 22

What is (8, 2)
100

y = 3x + 4 

y = -x - 4

One solution

200

Is (-2,1) the solution to the system 

6x - 3y = -15 

2x + y = -3

yes

200
The solution to the system of equations:

y - 3x = 3
y = 3x - 2

What is no solution?
200

The solution to the system

2a - 4b = 12
-8a + 16b = -48

What is infinitely many solutions?

200
The solution to the system

y = x - 2
3x - y = 16

What is (7, 5)
200

y = -2x + 4 

2y + 4x = 8

infinite 

300
The solution to the system of equations

y = (1/3)x - 3
2x - y = 8

What is (3, -2)
300
The solution to the system:

2x + 3y = 6
3x + 5y = 15

What is (-15, 12)?
300

Find the solution to the system 

-3x + 3y = 4 

-x + y = 3

no solution

300

y = -(1/2)x + 4 

2y + x = -12

no solution