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Equation of a Line from a Graph

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Please see the attached file for the fully formatted problem.

Write an equation of the line below.

Do I have to calculate slope for both points?

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Solution Summary

A line equation is found from a graph. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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Please see the attached file for the complete solution.
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You need to have two points to calculate the slope of the line.

Remember slope is the change ...

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