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Substitution or Elimination

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Substitution or Elimination
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which system would be best for you to use to solve this linear equation? 4x-5y=14 -6x+6y=-6

Elimination

Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve each system by substitution or elimination

y=-2

4x-3y=18

(3, -2)

None

(10/3, -2)

Infinite number

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve each system by elimination or substitution

18x+4y=-4

-9x+8y=-8

(-9, 8)

(1, 5)

Infinite number

(0, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Solve the system by elimination or substitution

x-7y=18

4x-14y=30

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

No Solution

(2, 2)

(-1, 2)

(-1, -2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6x = y


3y - 4x = 42

(3, 18)

(8, 2)

(2, 8)

(1, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y = 2x - 4


7x - 2y = 5

(-1, -6)

(-1, -8)

(-2, 6)

(1, -8),

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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