Write the equation in slope-intercept form. What are the slope and y-intercept?
-11x + 9y = -12
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OpenStudy (superflytyguy):
Here are the choices.
A. y = 11/9x - 4/3
slope: 11/9
y-intercept: -4/3
B. y = 11/9x - 4/3
slope: 11/9
y-intercept: 4/3
C. y = -11/9x + 4/3
slope: 11/9
y-intercept: 4/3
D. y = 11/9x + 4/3
slope: 4/3
y-intercept: 11/9
OpenStudy (superflytyguy):
I am so stuck on this
OpenStudy (uri):
y=mx+b
formula ^
so arrange the equation first
OpenStudy (uri):
-11x + 9y = -12
9y=11x-12
OpenStudy (uri):
y=11/9x-12/9
y=11/9x-4/3
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OpenStudy (uri):
@SuperflyTyGuy Can you tell now?
OpenStudy (superflytyguy):
Yea I think so, you translated it to y =mx + b form then divided 11 on both sides, but how did you get 12 to divide by 9? I see you simplified it to get 4/3
OpenStudy (superflytyguy):
@uri
OpenStudy (uri):
It was 9y=11x-12
right?
OpenStudy (superflytyguy):
right
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OpenStudy (uri):
shifted 9 and divided it with 11x and -12
OpenStudy (uri):
y=11/9x-12/9 get it?
OpenStudy (superflytyguy):
ok i got it now, sorry I'm so tired i'm not thinking straight.
OpenStudy (uri):
So what's the answer?
OpenStudy (superflytyguy):
y = 11/9x - 4/3
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OpenStudy (superflytyguy):
B
OpenStudy (uri):
A
OpenStudy (uri):
A. y = 11/9x - 4/3
slope: 11/9
y-intercept: -4/3
OpenStudy (uri):
B has y intercept as 4/3 not -4/3.
OpenStudy (superflytyguy):
I always miss the negative signs in math. You're right y-intercept: -4/3
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OpenStudy (superflytyguy):
4/3
OpenStudy (uri):
-4/3 not 4/3 god lol
OpenStudy (superflytyguy):
Thank you @uri
OpenStudy (uri):
Is this Joel?
OpenStudy (superflytyguy):
No. It's Ty, as in SuperflyTyGuy
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OpenStudy (uri):
Alright. :D
OpenStudy (superflytyguy):
Thank you so much! It's really early and I'm so tired, I can't think straight