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
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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 ?
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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
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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
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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