Solving Systems of Equations Using Elimination by Multiplication

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

Solve by elimination:
-9x-4y=-20

5x+4y=4

• (-4,4)
• (4,4)
• (4,-4)
• (-4,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the x value of the solution?
7x+y=-9

-3x-y=5

• No solution
• 1
• -2
• -1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the y value of the solution?
4x+4y=4

3x+4y=10

• -6
• 7
• -7
• 6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve by elimination:
-x+2y=17

2x+2y=-10

• ARN
• (-9,4)
• (-9,-4)
• (9,-4)

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

Solve by elimination:
9x-4y=7

x-4y=-17

• (-1,5)
• (-7,5)
• (7,5)
• (3,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the x-value of the solution?
y=5x+3

y=-2x-4

• 2
• -1
• 1
• -2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the y-value of the solution?
y=x+2
y=4x-4

• -4
• 4
• 2
• -2

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6