Question

Which ordered pairs are solutions to the inequality y−3x<−8 ?

Answer 1

$y-3x < -8\ \ \ |+3x\\\\y < 3x-8\\\\y=3x-8\\\\for\ x=0\to y=3\cdot0-8=0-8=-8\to(0;-8)\\\\for\ x=2\to y=3\cdot2-8=6-8=-2\to(0;-2)$

Look at the picture.

Answer: (5; 4) and (0; -9)