Question

What is the equation of the line that passes through the point (-5,5) and has a slope of -1

Answer 1

y+x=0

Explanation:

(x1,y1)=(-5,5) and m=-1

y-y1=m(x-x1)

y-5=-1(x-(-5))

y-5=-1(x+5)

y-5=-x-5

y+x-5+5=0

y+x=0