Question

find the slope of the line that goes through the points (1,-2) and (-5,4)

Answer 1

http://cs.selu.edu/~rbyrd/math/slope/

Answer 2

\[(y2-y1)/(x2-x1)\]
\[[4-(-2)]/(-5-1)\]
\[(4+2)/-6\]
\[6/-6\]
\[-1\]