Question 92574
Use the formula for the slope of a line:
Slope=m= {{{((y1-y2)/(x1-x2))}}}
.
Plug-in the values and solve:
Slope of (–4, 0) and (–4, –2):
m= {{{((0-(-2))/(-4-(-4)))}}}
m= {{{(2)/0)))}}}=undefined slope