\"slope\"\"

\

Since the line is raising the slope is positive.

\

Next, find the slope.

\

\"\"

\

Substitute 4 for y2,  4 for y1, 8 for x2, and 4 for x1  in slope formula. \ \

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\"\"

\

\"\"               (Apply Addition inverse proparty: \"\")

\

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

\

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

\

The slope(m) is 0.