Question

Which of the following points lie in the solution set to the following system of inequalities?

y≤ x - 5
y≥ -x - 4

a. (-5,2)
b. (5,-2)
c.(-5,-2)
d.(5,2)

Answer 1

just insert the values in each option into the inequalities and see if they fit

eg a
y<= x - 5
try (-5,2)

2 <= -5 - 5
2 <= -10 - false so it cant be a.

Answer 2

i tried that, none of them work /:

Answer 3

check b. again