Question 433511
we have a gradient/slope formula:

{{{(y2-y1)/(x2-x1)}}}

x1=-17.6 y1=4.1 x2=-17.1 y2=3.2

substituting into our formula:

{{{(3.2-4.1)/(-17.1-(-17.6))}}}

two negatives make a positive:

{{{(3.2-4.1)/(-17.1+17.6))}}}

={{{-0.9/0.5}}}

=-1.8