ANSWER:
A. - 2.5
B. 1.5
STEP-BY-STEP EXPLANATION:
The slope of a line is calculated as follows:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]A.
Replacing the points (4,3) and (6,-2):
[tex]m=\frac{-2-3}{6-4}=\frac{-5}{2}=-2.5[/tex]B.
Replacing the points (7, 2) and (3,-4):
[tex]m=\frac{-4-2}{3-7}=\frac{-6}{-4}=\frac{3}{2}=1.5[/tex]