Question 359557
The slope is just a number,

{{{m=(y2 - y1)/(x2 - x1)- (-16 - (-18)) / (-2 - (-9)) }}}
{{{m=( -16 + 18)/ (-2 +9)}}}
{{{highlight(m=2/7)}}}
Since slope is change in y over change in x, then when x moves 7 units, y moves 2 units.