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Systems of Equations - Elimination

Authored by Anthony Clark

Mathematics

9th Grade

10 Questions

CCSS covered

Systems of Equations - Elimination
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1.

MULTIPLE CHOICE QUESTION

1 min • 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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by elimination:
3x + 7y = 23
-3x - 7y = -17

No solution

Infinite number of solutions

(-3,3)

(3,3)

Tags

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations
  4x+8y=20
-4x+2y=-30

(-7,1)

(2,-5)

(-2,5)

(7,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve for x and solve for y
3x  - 3y = 33
6x - 3y = 57

(8,-3)

(-3,8)

(10,1)

(10,-1)

Tags

CCSS.HSA.REI.C.9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by elimination
4x-6y= -6
-2x-12y= -12

(0,1) 

(1,0)

(1,1)

(2,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the system of equations by elimination.
-x + y = -13
-8x - 4y = -8 

(5, 8)

(5, -8)

(-5, -18)

(-5, 8)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

no solution

(2,0)

(-4,0)

(0,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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