\"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 y2,  4 for y1, 4 for x2, and 0 for x1 in slope formula.

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\"\"

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\"\"                       (Simplify)

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\"\"                       (Additive inverse property: \"\")     

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\"\"                             (Subtract: \"\")

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\"\"                                (Divide:\"\") \"\"

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Slope  is \"\".