Unit 6 Review - Equivalent Expressions

Which expression is equivalent to 4(x + 12)?

HINT: use distributive property

• A. 4 + x + 12
• B. 4x + 48
• C. 4x + 12
• D. 4x + 16

Which of these can be written as an equation?

HINT: what's the key word???

• A. Four times 0.5 minus 𝑥
• B. Eighteen divided by 𝘺
• C. The product of 𝑥 and 14
• D. Nine times 𝑥 is 0.45

Ms. Axtell wrote the prime factorization of 84. One factor is missing. 2² • 3 • _______ What is the missing factor? Enter your answer in the space below.

(7 + 3² ) – 4 • 5

HINT: PEMDAS

What is the value of the expression 38 – 7² ?

HINT: PEMDAS

• A. -1
• B. -11
• C. 11
• D. 24

Which of the following is equivalent to the expression 5x + 4?

HINT: combine like terms

• A. 4 + 4x + x
• B. 2(3x) + 4
• C. 3x + x + 4
• D. 2x + 5 + 2x

Which expression is equivalent to (9 • x) + 4?

HINT: pay attention to the operations

• A. 9 + (x • 4)
• B. 4 • 9 + x
• C. 36x
• D. 4 + (x • 9)

Which of the following is NOT an expression?

HINT: look for the equation

• A. 8x + 5
• B. 4x + 9 = 18
• C. 9 + 5x – 3
• D. 36 – 7x

What is the prime factorization of 99?

HINT: factor tree

• 3² x 11

• 3³ x 11

• 9 x 11

• Not Here

Which expression is equivalent to (6 ⋅ p ) + 3?

HINT: pay attention to the operations

• ​

  ​

  ​​3 - (6 ⋅ p )

• 3 + (6 ⋅ p )

• 6 + 3 ⋅ p

• 6 ⋅ ( p + 3)