Proportions and Scale Quiz

Determine if the table is proportional.

The table is ​ (a)  

The constant of proportionality is​ (b)  

• proportional
• 21
• not proportional
• there isn't a constant
• .05
• 4
• 3
• 63

k=

Middle school students are going on a field trip. Adult volunteers are needed to accompany the students on the field trip. The table shows x adult volunteers will accompany y students.

Write an equation that shows the relationship between x and y.

​ (a)   =​ (b)   ​ (c)  

• y
• 12
• x
• s
• v
• 8
• 4
• 6

How can you know a graph shows a proportional relationship. (Select all that apply)

• A curved line

• A straight diagonal line

• It passes through the origin

• It crosses over the y axis

• It crosses over the x axis

Ross is buying hats for his baseball team. Each package contains 4 hats. Generate the set of ordered pairs for the ratio relationship between the number of hats y and the number of packages x for a total of 1, 2, 3, and 4 packages.

Select the points on the coordinate plane that correctly graph this ratio relationship.

Tags

graphing

Write an equation to represent the graph.

Mathematical Equivalence

ON

Midge pays $28 for 4 cups of coffee. Label the chart to find out how much she pays for 1 cup.

d

e

g

b

56

21

20

14

7

6

28

What is Caitlin's rate of reading?

​ (a)   pages per hour

Victoria can read 165 pages in 3 hours, what is her rate of reading?

​ (b)   pages per hour

​ (c)   can read more pages in a hour.

• 45
• 55
• Victoria
• Caitlin
• 60
• 40
• 90
• 50

Select all the tables that show a proportional relationship. (Select all that apply)

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• 
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•