Which point is a solution to the system of inequalities: 2x+y5 A. (-4,4) B. (4,4) C. (4,-4) D. (-4,-4)

Question

Which point is a solution to the system of inequalities:
2x+y<5
2x-y>5

A. (-4,4)
B. (4,4)
C. (4,-4)
D. (-4,-4)

anonymous · Answer

http://www.wolframalpha.com/. it will solve for variable, and show steps :)

the_fizicx99 · Answer

2x+y<5 2(-4) + 4 < 5 -8 + 4 < 5 -4 < 5 -4 IS less than 5 ________________________ 2(-4) -(4) >5 -8 -4 > 5 -12 isn't greater than 5 so its not A :3 Try the rest on your own :)

anonymous · Answer

Is it D?? (:

anonymous · Answer

http://www.wolframalpha.com/will show u

the_fizicx99 · Answer

2x+y<5 2(-4) +(-4) < 5 -8 -4 -12 is less than 5 ________________________ 2(-4) -(-4) >5 -8 + 4 > 5 -4 > 5 -4 isn't greater than 5 Try C

anonymous · Answer

Oh okay thank you!!!!! (:

the_fizicx99 · Answer

Try it! can you show mee

anonymous · Answer

Ugh... well didn't you already? lol I have so much to do.... :/

the_fizicx99 · Answer

No, I guesses, which happen to be right.

the_fizicx99 · Answer

guessed*

anonymous · Answer

hmm.... So it is C??? lol

the_fizicx99 · Answer

Ya