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Do you know how to graph them?
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
Try desmos graphing.
Whats desmos graphing?
do you really have to graph...because this can be solved without graphing
can u graph x=3 and y=2x-3 :)
You can plug and play but it says to graph lol.
No, They just gave me answer choices @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.
yes u can find the answer by pluggin in the options :)
Do you like multipy and add to find the answer?
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 ?
I do understand, this is kinda like what we did yesterday
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
I will attempt to do the next one
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.
ok, smart plan
so y <= 2x - 5.......is (4,8) a solution ? Can you tell me ?
I am working in out 8<=2(4)-5 8<8-5 8<3 8 is not less than 3 so false
you are correct....and since (4,8) does not make BOTH inequalities true, then it is NOT a solution. Good job...way to go :)
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
correct...(5,10) is not a solution
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
try again..... x > 3 (6,0)...x = 6 and y = 0........do not get your x's and y's mixed up
x > 3......x = 6 6 > 3...true and (6,0) also makes the other inequality correct....so (6,0) IS a solution
I'm sorry like you said got my x and y mixed up, helps to get a clean sheet of paper to lol
lol...yes...that helps. To many numbers and letters mixed on one piece of paper will drive you insane
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
you got it....(6,-2) is a solution.....nicely done :)
Thanks you so A, D, E
yep.....lol...I had to go back up and look...its A,D,E
Thanks such a great help