Elimination Quizizz Honors

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

• (-7,0)
• (6,0)
• (-6,0)
• (7,0)

Solve by elimination:
7x+y=-9

-3x-y=5

• No solution
• (1,8)
• (-2,-3)
• (-1,-2)

3x  - 3y = 33
6x - 3y = 57

• (8,-3)
• (-3,8)
• (10,1)
• (10,-1)

Solve by elimination:
7x-9y=29

7x+2y=-15

• (-4,-1)
• (-1.-4)
• (-1,4)
• (-1,6)

What is the first step in solving this system using elimination?

-8x + y = 2

2x - 3y = 16

• Eliminate Right Away

• Multiply the top equation by 3

• Multiply the bottom equation by 8

• None of these would work.

What is the first step in solving this system using elimination?

-3x + 4y = 0

-9x + 6y = 18

• Eliminate Right Away

• Multiply the top equation by -3

• Multiply the top equation by 3

• Multiply the bottom equation by 4

What is the first step in solving this system using elimination?

6x - 3y = 6

-3x + 3y = -3

• Eliminate the x variables right away.

• Eliminate the y variables right away.

• Multiply the top equation by 2.

• None of these would work.

Solve the system by elimination.

2x + 9y = -7

-6x + 3y = -9

• (-1, -4)

• (1, -1)

• (-4, -1)

• (1 , -4)

Solve the System.

• (1,8)

• (2,6)

• (1,5)

• (-3,1)

Solve the System.

• (3,1)

• (2,6)

• (5,6)

• (5,1)