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Geometry 15 Online
OpenStudy (anonymous):

(4,-2) and (8,-9)

OpenStudy (kamille):

Hey,what do you need to do?:)

OpenStudy (anonymous):

write an equation in standard form for the line passing through the pair of points

OpenStudy (kamille):

oh,alright. so you know that standard form of a line equation is \[y=kx+b\] where k and b are 'random' numbers. Also,you know that point means coordinates and first number in the point is x and the second is y. so it means that your points (4;-2) is x=4 and y=-2 and another point (8;-9) is x=8 and y=-9 so now you can insert those in the place of x and y and you get \[-2=4k+b\] \[-9=-8k+b\] everything would be ok,but it is not a standard form for equation,because instead of k and b there should be numbers. So you need to solve this system of equation and find b and k.Could you do this for me? |dw:1412875503578:dw|

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