\"slope\"\"

\

Since the line is raising the slope is positive.

\

Next, find the slope.

\

\"\"            

\

Substitute  6 for y2, 6 for y1, 1 for x2, and –8 for x1 in slope formula.

\

\"\" 

\

\"\"                        (Product of two same signs is positive)   

\

\"\"                        (Add:\"\")    

\

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

\

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

\

Slope is 0.