Nana3456

PleaSE help me!! Which of the below systems of equations matches the following graph?
(graph attached below)
x – 3y = 9
2x + 3y = 0
x + 3y = –9
2x + 3y = 0
x – 3y = –9
2x – 3y = 0
x + 3y = 9
2x – 3y = 0

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Nana3456

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ghazi

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it's d

j814wong

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Just isolate the y on one side to get a y=mx+b equation wiht m being the slope and b being the y-intercept. It's easier to tell the shape of a graph this way.

Nana3456

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And I dont have to use the midpoint formula?

j814wong

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Not at all.

Nana3456

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oh I was confused I thought I had to use both..

Nana3456

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D is right

j814wong

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Yeah. As Ghazi said. I just helped you figure out the answer yourself to understand the question.

Nana3456

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yes thank you so much ! Now I know I dont have to use both..The lesson I read about this confused me intead on helping me hehe

Nana3456

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thank you guys!

j814wong

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You're welcome

Nana3456

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:)

ghazi

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you should have checked a one pair of point for single line and in just two steps you might have got your answer..by the way you're done now :)

Nana3456

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:) Thanks!

ghazi

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anytime