Introduction to Proportional Relationships

A relationship between two variables where their ratios are equivalent is called a ___

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

How do you know if two ratios are proportional?

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OFF

_____ are those that can be simplifies or reduced to the same value.

• Rates

• Equivalent ratios

• Mathematicians

• Proportional

Two quantities are in a ​ (a)   if the two quantities vary and have a constant ratio between them.

• proportional relationship

• proportional

• unit rate

• nonproportional

• constant of proportionality

Two quantities are ​ (a)   if the ratios comparing them are equivalent.

• proportional

• nonproportional

• constant of proportionality

• proportion

A family makes homemade pickles. They pick the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

Answer the following questions.

c

d

g

i

f

yes

4500

y = 1500x

y=10x

1,500

10

y=4500x

10,500

100

no

When two ratios are equal they are .

(a)  

• Proportional

• Ratio

• Rate

• Unit Rate

Which word best fits the definition: A comparison of a certain number of units of the first quantity to one unit of the second quantity.

• Unit rate

• Ratio

• Constant

• Proportional