Solving Systems of Equations

What is the solution to this system?

• (-2, -2)
• (2, -2)
• (-2,2)
• (2, 2)

What is the solution to the system of equations? 
y = 3x - 8
y = 4 - x

• (3,1)
• (1,3)
• (-3,1)
• (3,-1)

What is the solution to the system?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

What is the solution to the system?

• (6, 8)
• (8, 6)
• (-6, 8)
• No solution

Solve the system of equations.
2x − 3y = −1
 y = x − 1

• (-2,-3)
• (0,-1)
• (3,4)
• (4,3)

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• same lines

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 using substitution.
2x - 2y = 2
5x + y =14

• (4, 5)
• (2.5, 1.5)
• (1.5, 5)
• (1, 2.25)

Solve using elimination.
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)