Prodigy Proportional Relationships

Which equation matches the graph?

• y = 7x

• y = 42x

• y = 6x

• y = 2x

Select all graphs that represent proportional relationships.

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A parking lot has 3 cars and 12 trucks. Find the ratio of cars to trucks. Select all the true ratios.

• 3 trucks : 12 cars.

• 3 cars to 12 trucks

• 3 cars to 12 trucks

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

• Proportional

• Not Proportional

What is the constant of proportionality?

• $3

• $4

• $2

• $9

What is the Constant of Proportionality of the Table?

• 3

• 1/3

• 1/2

• 6

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

• 10=kx

• 10=k

• y=10k

• y=10x

Does the graph show a proportional relationship?

• Yes, it's linear and goes through the origin

• Yes, it's linear

• Yes, it goes through the origin

• Yes, the line is pretty

What is a Ratio?

• comparison of two quantities 

• multiply two fractions 

• number over another number

• Two decimals that can be multiplied

Is this table proportional?

• yes

• no

• I'm not sure, I need extra help!