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10-11-2018
Mathematics

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Below is a graph of test scores in a math class. Determine if the Points earned for each Correct Answer is proportional or not proportional. Explain your answer.

Below is a graph of test scores in a math class Determine if the Points earned for each Correct Answer is proportional or not proportional Explain your answer class=

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wegnerkolmp2741o wegnerkolmp2741o

10-11-2018

The graph is proportional. It is a straight line through the origin.

The slope is the constant

slope is (120-30)/(20-5) =90/15 =6

y = 6x

Check:

y = 6*12 =72

y = 6*18 =108

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