Question

Pasa por (2,-1) y es paralela a la recta 3x+y-2=0

Answer 1

3x + y = 2

y = -3x + 2, so a line parallel to this line will have slope -3.

-1 = -3(2) + b

-1 = -6 + b

b = 5

y = -3x + 5