aruhter aruhter

05-03-2017
Mathematics

contestada

Complete the equation of the line through (2,1) (5,-8).

Respuesta :

lindseyhajdukovich lindseyhajdukovich

05-03-2017

y=-3x+7...................

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wolf1728 wolf1728

05-03-2017

The slope is
1 --8 / 2 -5 = 9 / -3
= -3
b = y -mx
Using (2, 1)
b = y -mx
b = 1 --3*2
b = 7

y = mx + b
y = -3x + 7

Answer Link

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