\"slope\"\"

\

Since the line is raising the slope is positive.

\

Next, find the slope.

\

\"\"

\

Substitute 2 for y2 ,  -1 for y1, -1 for x2, and 3 for x1 in slope formula.

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\"\"

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\"\"             (Simplify)

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\"\"                   (Add: \"\" & Subtract: \"\")\"\"

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Slope is positive and slope is \"\".