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Mathematics 8 Online
OpenStudy (anonymous):

I NEED HELP!! WILL GIVE MEDAL(;

OpenStudy (anonymous):

is there a Q?

OpenStudy (anonymous):

Write an equation of this: Passes through (-1, 4) and (-5, 2)

OpenStudy (anonymous):

im horrible at math so i can only help if you're from connexus, sorry!

OpenStudy (anonymous):

I am from connexus

OpenStudy (anonymous):

what is the unit & lesson?

OpenStudy (anonymous):

use \[y=mx+c\] where \[m=(y _{1}-y _{2})/(x _{1}-x _{2})\] so\[m=(-1--5)/(4-2)=4/2=2\] therefore \[y=2x+c\]by substituting the values for y and x from one of your coordinates you can find 'c' \[(-1)=2(4)+c\]\[c=-1-8=-9\]therefore \[y=2x-9\]

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