spookyrevenge spookyrevenge

08-08-2017
Mathematics

contestada

Given the points A (3,2) and B (-21,0) determine:

a. the slope of line AB
b. the length of AB
c. the midpoint of AB
d. an equation of AB

Respuesta :

lovewithcompass lovewithcompass

08-08-2017

A)(y2-y1)/(x2-x1)
(0-2)/(-21-3)=-2/-24=1/12
B)sqaureroot((-2)^2+(-24)^2)=squareroot(580)=2squareroot(145)
C)((x1+x2)/2,(y1+y2)/2)=(-9,1)
D)y=1/12(x+21)

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