Direct Proportionality

• A
• B
• C
• D

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

Name the constant of proportionality.

• 20

• 40

• 16

• 35

Name the constant of proportionality.

• 8

• 16

• 6

• 3

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480

• 1960

• 84

• 25

Find missing side

• 5

• 7

• 9

• 11

Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x

• y=100x

• y=5.25x

• y=4/21x

Which graph shows a direct proportion?

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