Quarter 3 Exam Review

Which value from the set {0, 1/2, 2, 4} makes the equation

6 - 4x = 4 true?

• 1/2

• 2

• 4

• 0

Which values from the set {0, 4, 5, 7, 10} make the inequality below true? 

 $4p\ <\ 20$  

• 7, 10

• 5, 7, 10

• 0, 4, 5

• 0, 4

How many possible values for x would make the inequality

 $8\ \le\ x$  true? 

• 8

• 1

• an infinite amount

• 0

Marcy wants to ride the T-Rex Coaster at Dinosaur World. She knows that she has to be at least 40 inches tall. Which inequality represents how tall Marcy has to be in order to ride the coaster. 

•  $h\ \ge\ 40$  

•  $h>\ 40$  

•  $h\ \le\ 40$  

•  $h\ <\ 40$  

Which of the following number lines shows the solutions to the given inequality?

 $3\ \le\ b$  

• 
• 
• 
• 

What is the value for x that makes the equation below true?

 $6x\ =\ 39$  

• 12

• 6.5

• 234

• 33

Trina bought a box of 24 pencils for a total cost of $2.50. Which equation represents the cost in dollars, c, of each pencil?

• $c\ =\ 24\ \div2.5$
  

• $c\ =\ 2.50\ \div\ 24$

• c = 2.50 x 24

• c = 2.50 + 24

Carl buys a shirt for $26.25 and is given $23.75 as change. Which equation represents the situation if x is the amount Carl had before he got the shirt?

• x + 26.25 = 23.75

• 26.25 - x = 23.75

• x - 26.25 = 23.75

• 23.75x = 26.25

For a summer reading project, Mario reads a 329 page book in a week. His summer reading can be represented using the equation:

 $7x\ =\ 329$  
Which statement correctly interprets the value of x? 

• Mario reads for 47 hours during the week. 

• Mario read 37 pages per day. 

• Mario read for 37 hours during the week. 

• Mario read 47 pages per day. 

Molly wants to buy a sandwich. Let x represent the cost of her sandwich. If she has $13, which expression represents how much money she will have left after she buys her sandwich?

• 13 - x

• x - 13

• x + 13

• 13 + x