Chapter 5 Test Review

Write the ratio as a fraction in simplest form: 38 frogs : 14 lizards

• 38/14
• 19/14
• 19/7
• 7/19

Write the ratio as a fraction in simplest form: 18 feet to 36 minutes

• 18/36
• 1/2
• 9/18
• 3/5

Find the unit rate: $10.25 for 3 gallons

• $3.41
• $3.40
• $3.42
• $3.46

Tell whether the ratios form a proportion: 1/9 and 2/18

• Yes
• No

Tell whether the ratios form a proportion: 75/20 and 25/3

• Yes
• No

Solve the proportion: 13/65 = x/20

• u = 1
• u = 5
• u = 3
• u = 4

Solve the proportion: 5.6/8.8 = x/2.2

• x = 1.4
• x = 1.3
• x = 1.2
• x = 1.1

Solve the proportion: 17/5 = x/20

• 13
• 58
• 68
• 21

How do you know that a graph is proportional? 

• Straight line.
• Runs through the origin. 
• Straight line and runs through (0,1)
• Straight line and runs through (0,0)

21 times at bat a player is able to make 17 hits. The same player makes 33 hits. Write a proportion to represent the situation. 

• 21/17 = 33/x
• 21/33 = 17/x
• 21/17 = x/33
• 33/17 = 21/x