Question

Which of the following points lie in the solution set to the following system of inequalities?
y > -3x + 3
y > x + 2

(-2, 5)
(2, 5)
(-2, -5)
(2, -5)

Answer 1

Sp we could take each point (x,y) and plug it into each equation...and see if it works

example

y > -3x + 3
y > x + 2

using (-2,5)

try the first equation...

5 > -3(-2) + 3
5 > 6 + 9
5 > 15

is this true? no...so this is not an answer...and continue on from there

Answer 2

alright thanks

Answer 3

No problem...let me know what you get...

Answer 4

I don't really get this problem really :/

Answer 5

Oh, still need help?

Answer 6

yeah

Answer 7

Okay, all you have to do is check which points fall in both equations.

Answer 8

Thanks for taking over @primeralph :)

Answer 9

try each value for x (the left element in the parentheses ) in both equations and check if the y value (right element in the parentheses ) is greater than what you get.

Answer 10

alright

Answer 11

Just check if the y part is greater than what you get from plugging in.