Raymond B. answered 10/04/22
Tutor
5
(2)
Math, microeconomics or criminal justice
m=-1 = slope = the coefficient of the x term when the equation is solved for y
y=-x +b to solve for b, plug in the point (9,-9)
-9 = -9 + b
b=0
y = -x
x+y = 0
is the equation in standard form