Level 1
Level 2
Level 3
Review
100
Solve the system by substitution:
y = 4
y = -3x - 20
(-8, 4)
100
Solve the system by substitution:
y = -4x - 7
y = 7x + 15
(-2, 1)
100
Solve the system by substitution:
2x + y = 7
y = -5x + 13
(2, 3)
100
Solve for x :
3x + 13 = 34
x = 7
200
Solve the system by substitution:
y = 8
y = -3x + 8
(0,8)
200
Solve the system by substitution:
y = 2x
y = 7x + 15
(-3 , -6)
200
Solve the system by substitution:
7x - y = -13
y = x - 5
(-3 , -8)
200
Solve for x:
x^2 + 3 = 12
x = +- 3
300
Solve the system by substitution:
y = -7
y = -5x + 13
(4, -7)
300
Solve the system by substitution:
y = -6x + 8
y = -3x + 8
(0, 8)
300
What is the name of this character? 
Cinnamon Roll
300
What country do we live in?
United States of America
400
Solve the system by substitution:
x = -4
y = 7x + 15
( -4, -13)
400
Solve the system by substitution:
y = 7x - 15
y = 7x + 15
NO SOLUTION
400
Solve the system by substitution:
-3x + 2y = -5
y = -3x - 16
(-3 , -7)
400
How many dimes are in a dollar?
10!