Solving Systems with Elimination

Solve the following using elimination.
-4x-2y=-12
4x+8y=-24

• (6,-6)
• (-6,6)
• (6,6)
• (-6,-6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If two lines are parallel how many solutions do they have?

• 1
• 2
• infinite
• none

Tags

CCSS.HSA.REI.C.6

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Solve the following using elimination.
4x + 8y = 20
−4x + 2y = −30

• (-1, 7)
• (-7, 1)
• (7, -1)
• (1, -7)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following using elimination.

1x − 1y = 11

2x + 1y = 19

• (-1, 10)

• (30, 19)

• (19, 30)

• (10, -1)

Solve the following using elimination.

4x+9y=28

-4x-1y=-28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

Solve the following using 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

Solve the following using elimination.

7x+1y=-9

-3x-1y=5

• No solution

• (1,8)

• (-2,-3)

• (-1,-2)

Solve the following using elimination.
4x+4y=4
3x+4y=10

• (7,-6)
• (-6,7)
• (6,7)
• (7,6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve the following using 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

What is the solution to the system? (hover the mouse over the graph to make it bigger)

• (6, 8)

• (8, 6)

• (-6, 8)

• No solution