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Solving Systems by Elimination

Authored by Katie Helms

Mathematics

9th Grade

CCSS covered

Used 1+ times

Solving Systems by Elimination
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by 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

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the system using elimination.

-4x - 2y = 14

-10x + 7y = -25

(5, 1)

(-1, -5)

(-5, -1)

(1, 5)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the system using elimination.

5x + 4y = -14

3x + 6y =6

(4, -6)

(6, -4)

(-4, -6)

(-6, 4)

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Amy sold 10 packages of sugar cookies and 2 packages of oatmeal cookies for $56. Adam sold 9 packages of sugar cookies and 3 packages of oatmeal cookies for $60. What is the price of 1 pack of sugar cookies and 1 pack of oatmeal cookies?

Sugar Cookies $5 
Oatmeal Cookies $3
Sugar Cookies $4
Oatmeal Cookies $8
Sugar Cookies $2
Oatmeal Cookies $6
Sugar Cookies $3
Oatmeal Cookies $6

Tags

CCSS.8.EE.C.8C

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