Unit 6 Review

What's another way to write

this expression?

x + (x+1) + (x+2)

• 5x

• x + 3x - 2

• 3x + 4

• 3x + 3

Sara is selling chocolate for a fundraiser. She plans to sell $30 worth of chocolate each week.

Which inequality can be used to determine the number of weeks (y) Riley must sell chocolate to make at least $300?

• $30y\ \ge\ 300$

• $30y\ \le\ 300$
  

• $30\ \ge\ 300y$

• $30\ \le\ 300y$

Maddy spent $135 on 4 shirts, 2 pairs of socks, and 1 pair of pants.

Each shirt cost $22,

and one pair of socks cost $3.

How much were the pants?

• $140

• $41

• $4

• $35

The perimeter of a square

is 30 + 4x inches.

Which strategy can be used to find the length of each side of this square?

• multiply each term by 4

• add each term by 4

• subtract each term by 4

• divide each term by 4

Translate

"10 points less than

Amari's test score (a)"

• a + 10

• 10 - a

• a - 10

• 10a

Translate

"20 less than the

product of 5 and a number"

• 5n - 20

• 20n - 5

• 5n + 20

• 20n + 5

Simplify using the distributive property.

 $10\left(x\ -\ 2y\ +\ \frac{1}{2}\right)$  

• 10x - 20y + 20

• 10x - 20y + 5

• 20xy

• 8xy + 5

Rewrite the expression by combining like terms.

8y + 7x – 2y + (-5x) + 2x

• 10xy

• 15y + (-5x)

• 6y + 4x

• 6y + 2x

Sofi read four times as many pages as Nancy. Sofi read 48 pages.

How many pages (n) did Nancy read?

• 4 - n = 48

• 4 + n = 48

• 48/n = 4

• 4n = 48

Factor 20x + 12y.

What is the missing value?

__?__(5x + 3y)

• 32

• 5

• 12

• 4