Direct Proportion Review

What is the direct proportion equation for the following information. x = 12, y = 16

• 16 = k(12)

• y = kx

• y = 4/3 x

• k = 16/12

Which equation matches the graph?

• y = 8x

• y = 1x

• y = 3x

• y = 16x

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Which of the following table shows a direct proportion relationship?

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Is this proportional?
y=2x

• yes

• no

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

Which graph is non-proportional?

• A

• B

• C

• D

8.5H

• F

• G

• H

• J

Which of the following graph shows a direct proportion relationship?

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