Linear Equations Review (Test C)

Simplify an expression for the perimeter of the equilateral triangle shown.

Write the variable term first; no spaces in the expression.

Tags

CCSS.7.EE.A.1

Which of the following expressions has a simplified value of 3b + 7?

• -6b + 9b + 4 – 3

• -b + 4 + 5b – b – 3

• -5 + 3b + 12 + b

• -6 – 2b + 13 + 5b

Tags

CCSS.7.EE.A.1

• 6x + 6

• 2x + 6

• -8x – 6

• 6x – 6

Tags

CCSS.6.EE.A.3

Simplify the expression by distributing and combining like terms.

-4 + 0.7(-2x + 13) + 9.3x

Write the variable term first; do not use any spaces.

Tags

CCSS.6.EE.A.3

Which is the correct first step to solve the linear equation shown?

16 = 22 – 3.5x

• Subtract 22 from both sides

• Divide -3.5 from both sides

• Add -3.5 to both sides

• Subtract 16 from both sides

Tags

CCSS.HSA.REI.A.1

Tags

CCSS.7.EE.B.4A

Rahul solved the equation as shown below. Which describes the error that Rahul made in his work?

• Rahul did not combine -2x and 6x correctly.

• Rahul did not combine 7 and -3 correctly.

• Rahul did not move the 4 correctly.

• Rahul did not make an error in his work.

Tags

CCSS.HSA.REI.A.1

Solve the equation below.

46 = -3 + 8x + 13 + x

Tags

CCSS.8.EE.C.7B

Which of the following shows the equation after both sides have been distributed correctly?

-2(x – 3) = 4(6x – 2)

• -2x + 6 = 24x – 8

• -2x – 5 = 24x – 3

• -2x – 6 = 24x – 8

• -2x + 6 = 24x + 8

Tags

CCSS.6.EE.A.3

The perimeter of the rectangle below is 64 inches. Find the value of x.

Tags

CCSS.7.EE.B.4A