Proportional Relation

Write the equation for the table given. 

• y = 1/3x

• y = 3x

• y = 1/2x

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx

• 10=k

• y=10k

• y=10x

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x

• Yes;  y=3x

• Yes;  y=5x 

• No

If the relationship in the table is proportional, write its equation.

• The relationship is not proportional

The distance a jet aircraft flies has a proportional relationship with its number of hours in flight. The table shows the number of miles flown for a number of hours in flight. Find the constant of proportionality.

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The table shows a proportional relationship. Find the constant of proportionality.

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The table shows the time it takes to pump gasoline based on the number of gallons pumped. What is the constant of proportionality for this situation?

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The constant of proportionality is the same as the _________ .

• graph

• the total amount

• unit rate

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16