\"slope\"\"

\

Since the line is raising the slope is positive.

\

Next, find the slope.

\

\"\"            

\

Substitute 1 for y2, –4 for y1, 7 for x2, and 2 for x1 in slope formula.

\

\"\"

\

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

\

\"\"                (Add:\"\") \"\"

\

Slope is positive and slope is \"\".