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Elimination or Substitution?

Authored by Kristina McClintock

Mathematics

8th Grade

CCSS covered

Used 23+ times

Elimination or Substitution?
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which system would be best for you to use to solve this linear equation?

y=6x-11

-2x-3y=-7

Elimination

Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which system would be best for you to use to solve this linear equation?

2x-3y=-1

y=x-1

Elimination

Substitution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

30 sec • 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

4.

MULTIPLE CHOICE QUESTION

30 sec • 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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve each system by elimination or substitution.

y=5x-7

-3x-2y=-12

None

(2, 3)

Infinite number

(3, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

30 sec • 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

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Solve the system of equations by elimination or substitution

4x-5y=14

-6x+6y=-6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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