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Systems of Equations Using Elimination

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Systems of Equations Using Elimination
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of elimination could you use for this system of equations?

𝑥 − 6𝑦 = −18

−𝑥 + 10𝑦 = 30

Addition

Subtraction

Simple Multiplication

Complex Multiplication

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve this system of equations using elimination with subtraction:

2x + 4y = -2

3x + 4y = 13

(-15, -8)

(15, -8)

(15, 11)

(-15, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve this system of equations using elimination with simple multiplication:

(-6, 4)

(-6, 2)

(-6, 3)

(-6, 1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of elimination would fit best for this system of equations?

6x + 5y = 4

6x – 7y = –20

Simple Multiplication

Subtraction

Addition

Complex Multiplication

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of elimination would fit best for this system of equations?

2x + 3y = 6

x + 2y = 5

Addition

Subtraction

Simple Multiplication

Complex Multiplication

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve this system of equations. Choose whether to use addition, subtraction, or simple multiplication:

−6𝑥 + 3𝑦 = −24

6𝑥 − 𝑦 = 20

(-2, 1)

(-3, 2)

(3, -2)

(3, -1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve this system of equations. Choose whether to use addition, subtraction, or simple multiplication:

x - 4y = -12

x + 3y = 2

(4, 2)

(2, 2)

(-4, 4)

(-4, 2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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