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Mathematics 8 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

use the slope point formula (y1-y2) ------- (=rise/run) (x1-x2)

OpenStudy (anonymous):

ie the height (y) changes from 6 to 4 so rise =-2 the run is from -2 to -1 so run =1

OpenStudy (anonymous):

once you find the slope 'm': y=mx+b plug in one of your points to find 'b'

OpenStudy (anonymous):

y= -2x+b plug in x=-1 y=4 to find b

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