How do you write the equation in point slope form given (4,-8); m=3?

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How do you write the equation in point slope form given (4,-8); m=3?

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Answer 1 · 2016-03-17T15:26:49

#y =3x-20#

Explanation:

The standard form for a straight line is #y=mx+c# where #m# is the slope.
Given the slope as #m=3# and a point #(4,-8)#, #c# can be calculated.
#-8 = 3*4 +c#
#c= -8-12 = -20#

Thus the equation is #y =3x-20#

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How do you write the equation in point slope form given (4,-8); m=3?

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