ammcdaniels2 ammcdaniels2

07-01-2016
Mathematics

contestada

Is (-1,4) a solution of the inequality y<2x+5?

Respuesta :

Billymkhoi Billymkhoi

07-01-2016

Let's plug x= -1, y= 4 in the inequation, we have:
4< 2*(-1)+5
⇒ 4< -2+5
⇒ 4< 3 (false)

Therefore, (-1,4) is not a solution of the inequation y<2x+5~

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