Unit 2 Review: Expressions, Inequalities and Expressions

Use the distributive property to simplify the expression:

 $10\left(3m+4y\right)$  

• $70my$
  

• $13m+14y$
  

• $30m-40y$

• $30m+40y$

Combine the linear expression

 $\left(10m-7\right)-\left(2m+6\right)$  

•  $8m-13$  

•  $12m+13$  

•  $8m-1$  

•  $-12m-1$  

Solve for "g"

 $5g\ +\ 30\ =40$  

•  $g=5$  

•  $g=10$  

•  $g=2$  

•  $g=\ 14$  

Which of the following expressions is equivalent to:

 $5\left(8-x\right)$  

•  $5x-40$  

•  $40+5x$  

•  $-5x+40$  

•  $5-8x$  

Solve:

 $\frac{x}{3}+8=20$  

•  $x=12$  

•  $x=36$  

•  $x=42$  

•  $x=\ 48$  
  

Solve:

 $6\left(x+3\right)+13=85$  

• x= 9

• x= 11

• x= 12

• x= 15

Solve:

 $7x+4=60$  

•  $x=\frac{64}{7}$ 

•  $x=7.7$  

•  $x=8$  

•  $x=9$  

An equilateral triangle has a side length of  $(2x-2)$ . The PERIMETER of the triangle is 80. Which of the following equations represents the PERIMETER of the equilateral triangle.

•  $2x-2=80$  
  

•  $6x-6=80$  

•  $7(2x-20)=80$   

•  $4x=80$   $\frac{1}{3}$  

Sydney wants to but a new pair of boots that cost $98. She earns $12 per week babysitting her little sister in the afternoon. How many weeks will it take Lisa to save enough money to buy the boots?

• 8 weeks

• 9 weeks

• 10 weeks

• 12 weeks

Jay bought two juice pouches for $1.25 each and 3 bags of chips. The total cost was $5.05. What was the cost of one bag of chips?

• $2.55

• $2.50

• $1.70

• $0.85