6. EE. 3&4

Which expression is equal to the expression 3x + 38?

• A. 11 + x(2 + 1) + 2x

• B. 10x + 11 - 7x + 27

• C. 10x = 11 - 7x - 27

• D. 4x + 10 - 2x + 28

Which expression is equal to 2m?

• A. 2m - 2 + 2

• B. 4mn + 3r - 3.5 - 2m

• C. 18 + m - 2 - 16

• D. 4 + m(5 - 3) = 11 - 33

Which of the following expressions is equivalent to 4(x - 8) - 5x?

• A. x - 8

• B. -x - 32

• C. 9x - 8

• D. 9x - 32

Which of the following is equivalent to -3(k + 4) + 9?

• A. 3k - 39

• B. 3k - 3

• C. 6k + 3

• D. 3k + 21

Which expression is equivalent to 12x - 8?

• A. 4(3x - 8) + 16

• B. 4(x - 3) - 4x

• C. 2(4x - 4) + 4x

• D. 2(6x - 2) + 4

Which expressions are equivalent to 18m - 12n?

• B. 2(9m + 6n)

• C. 3(6m - 4n)

• D. 6(-3m + 2n)

• E. 6mn

Amy and Paul are reviewing two different expressions, but both expressions are equal to each other. Which of the following could be the expressions Amy and Paul are reviewing?

• A. 16f + 12 and

  10(6f + 2)

• B. 16f + 12 and

  4(4f + 3)

• C. 10(6f + 2) and

  10 + 6f + 2

• D. 10 + 6f + 2 and

  20 + 6f

Use the information below to answer Part A and Part B. The figure below shows a right triangle with a base length of 12, a hypotenuse length of 20, and a height $h$.

Tags

CCSS.8.G.B.7

Part A: If the area of a triangle is 1/2 (base x height), which expression is equivalent to the area of the triangle above? base= 12 and hypotenuse= 20

• A. 6h

• B. 10h

• C. 12h

• D. 60h

Tags

CCSS.8.EE.C.7B

Part B: What is an expression that is equivalent to the perimeter of the triangle shown above? base= 12 and hypotenuse= 20

• A. h + 12

• B. 12 + 20

• C. 24h

• D. h + 32

Tags

CCSS.6.EE.B.6