Answer:
B) -8
Step-by-step explanation:
Slope is rise/run, or the difference in y over the difference in x, so to solve this:
Take the y value of one of the points and subtract it from the other, and divide it by the same thing with the x values
[tex]\frac{9-1}{6-7} =\frac{8}{-1} =-8[/tex]
