Answer:
A.
[tex]y = -x + 7[/tex]
Step-by-step explanation:
Slope of the line =
[tex] \frac{3 - 8}{4 + 1} = \frac{ - 5}{5} = - 1[/tex]
Equation of a line with gradient passing through a point:
[tex] - 1 = \frac{y - 8}{x + 1} [/tex]
[tex] = - x - 1 = y - 8[/tex]
y = -x -1 +8
y = -x + 7