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ineedhelponmyhw
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AB passes through the points (1, 3) and (3, 17). If CD is perpendicular to AB, what is the slope of CD?
 2 years ago
 2 years ago
ineedhelponmyhw Group Title
AB passes through the points (1, 3) and (3, 17). If CD is perpendicular to AB, what is the slope of CD?
 2 years ago
 2 years ago

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sarah43 Group TitleBest ResponseYou've already chosen the best response.1
dw:1342657794830:dw so if AB's slope is 7, CD's is 1/7 because perpendicular lines have opposite slopes
 2 years ago

ineedhelponmyhw Group TitleBest ResponseYou've already chosen the best response.0
omg thank you!
 2 years ago

sarah43 Group TitleBest ResponseYou've already chosen the best response.1
ur welcome :). just remember to choose a best response :)
 2 years ago
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