#8-3 Systems of Equations by Elimination

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

• (-7,1)
• (2,-5)
• (-2,5)
• (7,-1)

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

Solve by elimination:
9x-4y=7

x-4y=-17

• (-1,5)
• (-7,5)
• (7,5)
• (3,5)

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

Solve the system of Equation (Elimination Method)
5x + y = 9
10x − 7y = −18

• (-4,-1)
• (-1,-4)
• (4,1)
• (1, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the system of Equation (x,y)
−4x + 9y = 9
x − 3y = −6 

• (-9,-5)
• (-5,9)
• (9,5)
• (-5,-9)

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

Solve the system of Equation (x,y)
3x + 2y = –13
3x + 4y = 1 

• (-9,7)
• (7,-9)
• (4,-7)
• (-7,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination
-6x + 5y = 1
6x + 4y = -10

• (1,-1)
• (0,-1)
• (1,1)
• (-1,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
7x-9y=29
7x+2y=-15

• (-4,-1)
• (-1.-4)
• (-1,4)
• (-1,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

-4x-2y=-12
4x+8y=-24

• (5,6)
• (6,-6)
• (6,-2)
• (4,-3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 Solve using elimination.
 7x + 2y = 24
  8x + 2y = 30

• (6,-9)
• (-9,6)
• No solution
• Infinite number of solutions

Tags

CCSS.8.EE.C.8B

Solve by elimination
4x-6y= -6
-2x-12y= -12

• (0,1) 
• (1,0)
• (1,1)
• (2,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6