\"slope\"\"

\

Since the line is raising the slope is positive.

\

Next, find the slope.

\

\"\"            

\

Substitute 0 for y2,  10 for y1, -10 for x2, and -10 for x1 in slope formula.

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\"\"

\

 

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\"\"         (simplify)

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\"\"         (Subtract: \"\") \ \

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

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

\

Slope is positive and slope is \"\".