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06-01-2020
Mathematics

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The points (2, - 8) and (1,r) fall on a line with a slope of - 9. What is the value of r? r=

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minid2016 minid2016

06-01-2020

Answer:

r=-2

Step-by-step explanation:

difference in y/difference in x =slope

-r-8/1-2=-9

-r-8=-9*-1

-r=10+8

r=-2

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