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Using Elimination to Solve Systems of Equations Practice

Authored by Megan McKee

Mathematics

9th Grade

CCSS covered

Used 1+ times

Using Elimination to Solve Systems of Equations Practice
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10 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

What would be the first step in finding the solution using elimination?

2x + 2y = -2

3x - 2y = 12

you cannot solve this using elimination

cross out the 2x and 3x

Add the like terms. The y terms will cancel out.

change to slope intercept form and graph

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system using elimination:

3x + y = 19

2x - y = 6

(5, 14)

(4, 5)

(5, 4)

(14, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system:
x + 6y = 17
x - 3y = 8

(5, 2)
(11, 1)
(1, 11)
no solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which variable will be eliminated?

x

y

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find x and y using the elimination method
2x+3y=7
2x+7y=11

x=-2, y=-1
x=2, y=-1
x=2, y=1
x=-2, y=1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

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

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the system by elimination:
7x+y=6
10x+y=12

(1,-1)
(2,8)
(2, -8)
(1, 15)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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