\"slope\"\"

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Since the line is raising the slope is positive.

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Next, find the slope.

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\"\"            

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Substitute 4 for y20 for y1, 3.5 for x2, and 2.5 for x1 in slope formula. \ \

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\"\" \ \

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\"\"         (Subtract: \"\")

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\"\"               (Subtract: \"\")

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\"\"                  (Cancel common signs) \ \

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\"\"             (Simplify) \ \

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\"\"                   (Cancel common terms)\"\"

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Slope is positive and slope is \"\".

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