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  • freemap
Graph the system of inequalities. Then use your graph to determine which points are solutions of the system. x > 3 y ≤ 2x – 5 Choose all answers that are correct. A.(4, –4) B.(4, 8) C.(5, 10) D.(6, 0) E.(6, –2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
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@undeadknight26
undeadknight26
  • undeadknight26
Do you know how to graph them?
freemap
  • freemap
I think you say like since -5 is the y intercept you graph that at 0,-5. And go over 5 and 2 up for 2x. I think

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More answers

undeadknight26
  • undeadknight26
Try desmos graphing.
freemap
  • freemap
Whats desmos graphing?
texaschic101
  • texaschic101
do you really have to graph...because this can be solved without graphing
imqwerty
  • imqwerty
can u graph x=3 and y=2x-3 :)
undeadknight26
  • undeadknight26
You can plug and play but it says to graph lol.
freemap
  • freemap
No, They just gave me answer choices @texaschic101
texaschic101
  • texaschic101
than just plug your answer choices into the 2 inequalities and see which ones are true. Keep in mind, they both have to be true for it to be a solution.
imqwerty
  • imqwerty
yes u can find the answer by pluggin in the options :)
freemap
  • freemap
Do you like multipy and add to find the answer?
texaschic101
  • texaschic101
Let me do the first one for you.....we will be using (4,-4)...x = 4 and y = -4 now lets begin.. x > 3....sub in 4 for x 4 > 3.....this is true now we have to check it with the other inequality. y <= 2x - 5....sub in 4 for x and -4 for y -4 <= 2(4) - 5 -4 <= 8 - 5 -4 <= 3....this is also true and since both are true, this is a solution understand ?
freemap
  • freemap
I do understand, this is kinda like what we did yesterday
texaschic101
  • texaschic101
just be sure that both inequalities are true....because if you sub in your points and only one inequality is true, it is NOT a solution because they both have to be true
freemap
  • freemap
Ok
freemap
  • freemap
I will attempt to do the next one
texaschic101
  • texaschic101
Because if you look at the first inequality x > 3....all of the answer choices are correct for this. So I would just check the answer choices with the 2nd inequality.
freemap
  • freemap
ok, smart plan
texaschic101
  • texaschic101
so y <= 2x - 5.......is (4,8) a solution ? Can you tell me ?
freemap
  • freemap
I am working in out 8<=2(4)-5 8<8-5 8<3 8 is not less than 3 so false
texaschic101
  • texaschic101
you are correct....and since (4,8) does not make BOTH inequalities true, then it is NOT a solution. Good job...way to go :)
freemap
  • freemap
Thanks ok for the next one 10<2(5)-5 10<10-5 10<5 10 is not less than 5 10>3 Is true, but not for both equations. So False
texaschic101
  • texaschic101
correct...(5,10) is not a solution
freemap
  • freemap
Next one, 0<2(6)-5 0<12-5 0<7 0 is less than 7 so true 0>3 0 is not more than 3 so false So false
texaschic101
  • texaschic101
try again..... x > 3 (6,0)...x = 6 and y = 0........do not get your x's and y's mixed up
texaschic101
  • texaschic101
x > 3......x = 6 6 > 3...true and (6,0) also makes the other inequality correct....so (6,0) IS a solution
freemap
  • freemap
I'm sorry like you said got my x and y mixed up, helps to get a clean sheet of paper to lol
texaschic101
  • texaschic101
lol...yes...that helps. To many numbers and letters mixed on one piece of paper will drive you insane
freemap
  • freemap
lol, hopefully I'll get this one right 6>3 True 6 is more than 3 -2<2(6)-5 -2<12-5 -2<7 -2 is less than 7 so true Both equations are true
texaschic101
  • texaschic101
you got it....(6,-2) is a solution.....nicely done :)
freemap
  • freemap
Thanks you so A, D, E
texaschic101
  • texaschic101
yep.....lol...I had to go back up and look...its A,D,E
freemap
  • freemap
Thanks such a great help

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