Question

30 points!!! Which ordered pairs are solutions to the inequality 2x+y>−4? Select each correct answer.

(0, 1)
(4, -12)
(5, -12)
(-1, -1)
(-3, 0)

Answer 1

easey, sub them

(x,y)
see if true

(0,1), 2(0)+1>-4, 1>-4, true
(4,-12), 2(4)+-12>-4, 8-12>-4, -4>-4, false
(5,-12), 2(5)+-12>-4, 10-12<-4, -2>-4, true
(-1,-1), 2(-1)+-1>-4, -2-1>-4, -3>-4, true
(-3,0), 2(-3)+0>-4, -6>-4, false


answers are

(0,1)
(5,-12)
(-1,-1)