Answer:
The slope of this line is -1/2
Step-by-step explanation:
To find the slope of any equation, we need to use the slope formula.
m (slope) = (y2 - y1)/(x2 - x1)
m = (-13 - -15)/(11 - 17)
m = (-12 + 15)/(11 - 17)
m = 3/-6
m = -1/2
