Isolating Variables Quiz

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

• x = -8

• x = 0

• x = -5

• x = 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

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

Tags

CCSS.6.EE.A.3

CCSS.6.EE.B.7

In the equation 2a + 3b = 4a - 5b, what is the value of b when a = 6?

• -2

• 10

• 0

• 7

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Combine the like terms in the expression 2x + 3y - 5x + 4y.

• 2x + 3y - 5x + 4y

• -5x + 7y

• 5x - 7y

• -3x + 7y

Tags

CCSS.7.EE.A.1

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

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

• 3

• 7

• -5

• 10

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.7

In the equation 3x + 2y = 5, if x = 2, what is the value of y?

• y = 3

• y = 0

• y = 4

• y = 1

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Identify the like terms in the expression 4a + 2b - 3a + 5b.

• 4a and -3a, 2b and 5b

• 2b and -5b

• 4a and 3a

• 4a and 5b

Tags

CCSS.6.EE.A.2B

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