SOLUTION: (-2,r),(6,7),m=1/2
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Question 238591
:
(-2,r),(6,7),m=1/2
Answer by
user_dude2008(1825)
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(7-r)/(6--2)=1/2
(7-r)/(8)=1/2
2(7-r)=8
14-2r=8
-2r=-6
r=3 <--------------- Answer
(