Plot the Points and Find the Slope of the Line $- \frac { 1 } { 3 }$

Multiple Choice

Plot the points and find the slope of the line passing through the pair of points. (1, 0) , (-2, 0)

A) slope: 0
B) slope: 1
C) slope: -3
D) slope: $- \frac { 1 } { 3 }$
E) slope: undefined