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Mathematics 15 Online
OpenStudy (anonymous):

Write an equation in slope-intercept form for the line shown.

OpenStudy (anonymous):

OpenStudy (anonymous):

how do i find what goes where in y=mx+b

OpenStudy (jedd):

(2,-1)and (0,-4) y-(-1)=(-4+1)/(0-2) *(x-2)

OpenStudy (anonymous):

1/-4??

OpenStudy (jedd):

\[y-(-1)=\frac{ (-4+1) }{ (0-2) }*(x-2)\] you are done

OpenStudy (anonymous):

what that is only m 1/-4 where is the rest?

OpenStudy (anonymous):

the answers are y = 2/3 x + 2 y = 3/2 x - 4 y = 3x - 4 y = 2x - 1

OpenStudy (anonymous):

i only havey=1/-4x+b

OpenStudy (jedd):

y-1= 3/2 * (x-2) y-1=3/2 x -3 y=3/2 x-2

OpenStudy (jedd):

sorry

OpenStudy (jedd):

it's y=3/2 x -4

OpenStudy (jedd):

@EmmaH clear?

OpenStudy (anonymous):

well how did you get 3/2 as m?

OpenStudy (jedd):

use formula (y2-y1)/(x2-x1)

OpenStudy (anonymous):

hello?

OpenStudy (jedd):

(-4+1)/(0-2)

OpenStudy (anonymous):

oh ok

OpenStudy (jedd):

(:

OpenStudy (anonymous):

and -4 how did you get that?

OpenStudy (jedd):

by rearranging the equations -3-1=-4

OpenStudy (anonymous):

thanks

OpenStudy (jedd):

(:

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