Question

Write the standard form of the equation of the line that goes through

(4,-2) and has a slope of -1

Answer 1

Explanation:

Start with point slope form of the line and 'massage' it to the form needed

point (4,-2) slope = - 1

( y- -2) = -1 (x-4 )

y + 2 = -x + 4

y +x = 2

x + y = 2