anonymous
  • anonymous
Which ordered pairs in the form (x, y) are solutions to the equation (x + 6)y = 9? Choose all answers that are correct. A. (−5, 9) B. (−3, 3) C. (3, 1) D. (7, 9)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
i do not understand this plz help me i will give medal and fan!
anonymous
  • anonymous
i want this question step by step so i know plz
jim_thompson5910
  • jim_thompson5910
Let's check choice A (−5, 9) (x + 6)y = 9 (-5 + 6)*9 = 9 ... replace x with -5 and y with 9 (1)*9 = 9 9 = 9 ... this is true, so choice A (−5, 9) is a solution I'll let you check the others. There may be more than one answer

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anonymous
  • anonymous
thank you so much it may take me like 5 min i will tag u when i have figured everything out ;)
jim_thompson5910
  • jim_thompson5910
alright
anonymous
  • anonymous
i know b is wrong
anonymous
  • anonymous
working on c and d
jim_thompson5910
  • jim_thompson5910
why is B wrong? can I see your steps?
anonymous
  • anonymous
c is correct
anonymous
  • anonymous
ok one sec
anonymous
  • anonymous
(3, 1) (x+6)y = 9 (3+6) * 1 = 9 (1) * 9 = 9
jim_thompson5910
  • jim_thompson5910
B. (−3, 3)
anonymous
  • anonymous
i did the same kind of steps for b and d and they were wrong is this right?
anonymous
  • anonymous
(-3,3) (x+6)y = 9 (-3 + 6) * 9 = 27 (1) * 27 = 27 27 = 9 :( wrong
anonymous
  • anonymous
oops, replace the 9 with one in the second eqution
jim_thompson5910
  • jim_thompson5910
-3 + 6 is not equal to 1
anonymous
  • anonymous
i mean 3 replace the 9 with 3
jim_thompson5910
  • jim_thompson5910
and idk how you turned that 9 into 27
jim_thompson5910
  • jim_thompson5910
and I'm not sure why you replaced y with 9 when y = 3
anonymous
  • anonymous
OMG I DID 3 NOT -3!!!!!!!!!1
anonymous
  • anonymous
thank you so much for catching that let me re work it is take one sec
anonymous
  • anonymous
replace 9 with 27, which means b is right so it was a, b, and c
anonymous
  • anonymous
(-3 + 6) * 3 = 9
jim_thompson5910
  • jim_thompson5910
better
anonymous
  • anonymous
sorry for the confusion, but is d is definetly wrong
jim_thompson5910
  • jim_thompson5910
then you replace the `-3+6` part with `3` since `-3+6 = 3`
jim_thompson5910
  • jim_thompson5910
D (7,9) (x + 6)y = 9 (7 + 6)*9 = 9 13*9 = 9 117 = 9 ... false so you are correct about D
anonymous
  • anonymous
A B and C are correct i would not have known with ur help here is a medal!!!
jim_thompson5910
  • jim_thompson5910
yes, points A,B,C all lie on the equation while D is some point that does not lie on the line
anonymous
  • anonymous
do u agree @Shadowknight6263 ?
anonymous
  • anonymous
yez

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