Systems of Equations by Elimination

-2x - 4y = 22

10x + 4y = 18

• (5, -8)

• (-5, -8)

• (-8, 5)

• (-8, -5)

• (5,8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4x + 6y = -24

4x - 5y = -24

• (-6, 0)

• (6, 0)

• (0, -6)

• (0, 6)

• (-6, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

x-y=11
2x+y=19

• (10,-1)
• (-1,10)
• (3,-4)
• (6,7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

−4x − 4y = 0
4x + 4y = 0 

• (−6, −4) 
• Infinite number of solutions  
• (−6, 10) 
• (6, 4) 

Tags

CCSS.8.EE.C.8B

-4x - 6y = 6
4x + 6y = -4

• no solution
• (2,0)
• (-4,0)
• (0,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

      7x+2y=24
      8x+2y=30

• (6,-9)
• (-9,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

  8x+y=-16
  -3x+y=-5

• (-1,-8)
• (-8,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

• Infinite number of solutions  
• (6, 5) 
• (−6, −5) 
• (5, −6) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
4x+9y=28
-4x-y=-28

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
3x+7y=23

-3x-7y=-17

• No solution
• ARN
• (-3,3)
• (3,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6