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28-03-2017
Mathematics

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Find an equation of the line through points (-3,4) and (2,3)

Respuesta :

ghanami ghanami

29-03-2017

Hello : let A(-3,4) B(2,3)
the slope is : (YB - YA)/(XB -XA)
(3-4)/(2+3) = -1/5
an equation is : y=ax+b a is a slope

y = (-1/5)x +b

the line through point (2,3) : 3 = (-1/5)(2)+b
b = 17/5
the equation is : y =(-1/5)x+17/5

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