Algebra Solving Systems of Equations All Methods Review

Solve the system by elimination. 
−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 

• Infinite number of solutions  

• (−6, 10) 

• (6, 4) 

Solve using substitution.
x - 2y = 2
3x + 4y = 3

• (1.4, -0.3)

• (3.1, 5)

• (-2.5, 3.5)

• (6.9, 1.02)

Solve the system of equations:

• (3,4)

• (-3,-4)

• (-3,4)

• (3,-4)

Solve the system of equations:

• (0,3)

• (0,3)

• (3,0)

• (0,-3)

Solve the system of equations.
x + 3y = -17
2x + 3y = -7

• (1, -20)

• (3, 0)

• (-5, -2)

• (10 , -9)

Match the system to the graph (solution set is on the left)

• y ≤ 3x   and  y ≤ -2x + 4

• y > 3x   and  y > -2x + 4

• y < 3x   and  y > -2x + 4

• y > 3x   and  y < -2x + 4

What is the solution to:

y = x + 2

y = -x

• (-1,1)

• (2, -1)

• (1, -1)

• (0, 2)

What is the solution to

y = x - 2

y = -x + 2

• (0, 2)

• (-2, 2)

• (1, -1)

• (2, 0)

Is (-3, 1) a solution to the system:

x + y = -2

2x - 2y = -8

• Yes, (-3, 1) is the solution

• No, (-3, 1) is the solution

Is (-1, 1) a solution to the system:

x + y = 0

3x - 3y = 0

• Yes, (-1, 1) is the solution

• No, (-1, 1) is the solution