AngelTyTy AngelTyTy

04-05-2017
Mathematics

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What is the equation of the line?

What is the equation of the line class=

Respuesta :

ghanami ghanami

04-05-2017

Hello : let A(-4,5) B(-5,-4)
the slope is : (YB - YA)/(XB -XA)
(-4-5)/(-5+4) = -9/-1=9
an equation is : y=ax+b a is a slope

y = 9x +b

the line through point A(-4,5) : 5 = 9(-4)+b
b =41
the equation is : y =9x+41

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