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Systems of Equations: elimination Math 8

Authored by Mary Flanagan

Mathematics

7th Grade

CCSS covered

Used 8+ times

Systems of Equations: elimination Math 8
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-1

6

1

-6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the system by elimination.  

−8x − 10y = 20
−8x − 6y = −4 

Infinite number of solutions  
(6, 5) 
(−6, −5) 
(5, −6) 

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

-4x - 6y = 6
4x + 6y = -4

no solution
(2,0)
(-4,0)
(0,0)

Tags

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system of Equation (x,y)
3x + 2y = –13
3x + 4y = 1 

(-9,7)
(7,-9)
(4,-7)
(-7,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 Solve using elimination.
 7x + 2y = 24
  8x + 2y = 30

(6,-9)
(-9,6)
No solution
Infinite number of solutions

Tags

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

1
2
infinite
none

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

15 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

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