22-02-2019
Mathematics

contestada

what is the slope of the line that contains the points (-1,9) and (5,21)

a) -1/2
b) 1/2
c) -2
d) 2

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akiobabymonster akiobabymonster

22-02-2019

Y-y
——-
X-x

21-9=12
5-(-1) =6
So the answer is D

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