Slope = difference in y / difference in x
slope = 12.25 -8.3 / -8.5 -.2
slope = 3.95 / -8.7
slope =
<span>
<span>
<span>
-0.4540229885
</span>
</span>
</span>
The correct answer is -15 because the absolute value is 15 but there is a negative outside the absolute value lines making it negative :)
