anonymous
  • anonymous
Please helllppppp!? :D Which of the below systems of equations matches the following graph? x – 3y = 9 2x + 3y = 0 x + 3y = –9 2x + 3y = 0 x – 3y = –9 2x – 3y = 0 x + 3y = 9 2x – 3y = 0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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precal
  • precal
you sort of need the graphs?
anonymous
  • anonymous
I know.. i have one
anonymous
  • anonymous
Can you post a picture of the graph then I can try to help?

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More answers

anonymous
  • anonymous
yes. one sec! :)
anonymous
  • anonymous
Just take some points on the graph and substitute them in the equation. Whatever equations satisfy the point are your equations
anonymous
  • anonymous
satisfy the point in the sense which give 0 on substitution of x and y co-ordinates in the place of x and y
anonymous
  • anonymous
I don't know how to get the graph on here :/
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anonymous
  • anonymous
oh wait! its right there
anonymous
  • anonymous
they both intersect at (2,3) so if we substitute these equations in the above equations none satisfy so none of the equations match the graph
anonymous
  • anonymous
hmm.... thats not one of the answers?
anonymous
  • anonymous
no
anonymous
  • anonymous
Well, I'm confused then..
jim_thompson5910
  • jim_thompson5910
The point of intersection is (3,2) not (2,3)
anonymous
  • anonymous
yeah sorry I'm wrong
anonymous
  • anonymous
in that case the last set is your answer try substituting 2 and 3 in the place of x and y
anonymous
  • anonymous
So, would this be the answer? x – 3y = –9 2x – 3y = 0
anonymous
  • anonymous
no x+3y=9 (3+3*2=9) and 2x-3y=o (2*3-3*2=0)
anonymous
  • anonymous
ahh. i was going to chose that one

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