Solving Systems of Equations Review

^{What is the solution to the system?} 

• (1,1)
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

What is the solution to this system? Solve by graphing.

y = 2x + 1

y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Does the system have one solution, no solutions, or infinite solutions? Solve by graphing.

y = 2x -11

y = 2x +5

• One solution

• No solutions

• Infinitely many solutions

Which graph represents a system of equations with infinite solutions?

• 
• 
• 
• None of the above

Tags

CCSS.8.EE.C.8A

Which graph represents a system of equations with no solutions?

• 
• 
• 
• None of the above

Which graph represents a system of equations with one solution?

• 
• 
• 
• None of the above

Solve the system of equations using the substitution method.

• (3, -24)

• (0, 4)

• (-24, 3)

• No solution

• Infinite solutions

What is the solution to this system? Use the substitution method.

x= 7 - 2y

2x + y = 5

• (-1,4)

• (4,-1)

• (1,3)

• (3,1)

Solve by elimination 
-2x + 6y = 16
-4x  - 3y = 2

• (2,2)
• (-2, -2) 
• (-2,2)
• (2,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using elimination. 
 4x + 8y = 20
-4x + 2y = -30

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6