Question

Write the equation of the line:
(1,-7); slope =-1

Answer 1

x+y = -6

Explanation:

Equation of the line is (y-y1) = m (x-x1)

(x1,y1) = (1,-7) and m= -1

(y-(-7)) = (-1) (x-1)

y+7 = -x+1

x+y = 1-7

x+y = -6