Question

Which of the following is a solution of y - x < -3?

(6, 2)
(2, 6)
(2, -1)

Answer 1

just substitute the points and check

using the last point

(2, -1) x= 2 and y = -1

so is -1 -2 < -3....?

if you answer yes... then it's a solution...

if you answer no, try another point

Answer 2

k thanks