Systems elimination

Systems elimination

9th Grade

13 Qs

quiz-placeholder

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Systems elimination

Systems elimination

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
8.EE.C.8B, HSA.REI.C.9, HSA.REI.C.6

Standards-aligned

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

-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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

7x+2y=24
8x+2y=30

(6,-9)
(-9,6)
(-6,9)
(0,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Solve by elimination:
7x+y=-9

-3x-y=5

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

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 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

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the system by elimination. 
−4x − 4y = 0
4x + 4y = 0 

(−6, −4) 
Infinite number of solutions  
(−6, 10) 
(6, 4) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system by elimination.  

−8x − 10y = 20
 8x  +  6y =   4 

(-5,-6)  
(6, 5) 
(−6, −5) 
(5, −6) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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