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Isolating Variable

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Isolating Variable
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the inverse operation to isolate the variable in the equation 6m + 8 = 4m - 3?

Multiply by 4m and then add 2

Add 4m to both sides and then multiply by 2

Subtract 4m from both sides and then divide by 2

Divide by 4m and then subtract 2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation 3x + 5 = 2x - 3 for x.

x = -8

x = 0

x = -5

x = 10

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step to isolate the variable in the equation 4y - 7 = 2y + 5?

Combine like terms

Divide by 4

Subtract 7

Add 5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the distributive property to isolate the variable in the equation 2(3x - 4) = 10.

x = 5

x = 3

x = 6

x = 2

Tags

CCSS.7.EE.B.4A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation 2p - 3 = 5p + 2 for p.

3

7

-5

10

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Apply the distributive property to isolate the variable in the equation 3(2x + 7) = 21.

3(2x) + 3(7) = 21

2x + 21 = 21

6x + 21 = 21

2x + 7 = 21

Tags

CCSS.7.EE.B.4A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the distributive property to isolate the variable in the equation 3(2x - 5) = 15.

x = 4

x = 3

x = 5

x = 2

Tags

CCSS.7.EE.B.4A

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