dallasrogers200 dallasrogers200

17-01-2017
Mathematics

contestada

write an equation of the form y=mx for the pairs (-1,4) and (1,-4)

Respuesta :

AvaraFraser AvaraFraser

17-01-2017

y = mx
We just need to find the slope:

y2 - y1 / x2 -x1 = -4 - 4 / 1 - - 1 = -8/2 = -4/1 = -4

so: y = -4x

Hope that helps! :)

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