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Mathematics 15 Online
OpenStudy (anonymous):

Which of the lines graphed in the diagram represents the equation x + 3y = 3? graph http://static.k12.com/calms_media/media/1312500_1313000/1312637/2/7a5ddeb604f01836816af3115d4d1d2ece07aa78/HS_AL1G2_S1_07_07_ART1.jpg

OpenStudy (anonymous):

last one, helpp? @iGreen

OpenStudy (igreen):

Let's convert to slope intercept form. Subtract 'x' to both sides

OpenStudy (anonymous):

3 + 3y = x?

OpenStudy (igreen):

No, keep 3 on that side, and 'x' should be negative since you're subtracting.

OpenStudy (anonymous):

so keep it 3y + -x ?

OpenStudy (anonymous):

lol not so good at this stuff.

OpenStudy (igreen):

No.. 3y = -x + 3 Divide 3 to both sides: y = -1/3x + 3/3 What's 3/3?

OpenStudy (anonymous):

1

OpenStudy (anonymous):

?

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

Yes, so we have: y = -1/3x + 1 The slope here is negative, so which line declines from left to right?

OpenStudy (anonymous):

A?

OpenStudy (igreen):

Correct!

OpenStudy (igreen):

@StonerWill

OpenStudy (anonymous):

Which of the lines graphed in the diagram represents the equation x – 3y = –3? Same map @iGreen this is the last one

OpenStudy (anonymous):

Which of the lines graphed in the diagram represents the equation x – 3y = –3?

OpenStudy (anonymous):

x - 3y = -3

OpenStudy (igreen):

1 question per post, close this one and open a new one

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