Answer:
C. - ¼
Step-by-step explanation:
1) if A(-2;1) and B(6;-1), then the required slope can be calculated according to the formula:
[tex]s =\frac{Y_A-Y_B}{X_A-X_B};[/tex]
2) after the substitution the slope is:
[tex]s= \frac{1+1}{-2-6}=-\frac{1}{4}.[/tex]
3) answer: C. - ¼
