Question and answer
a) Write an equation that models the expression where y varies inversely with x. b) If y = 20 when x = 4, solve for k. c) Rewrite your equation from part a., subbing in the value for k that you solved for in part b.
a) An equation that models the expression where y varies inversely with x is y = k/x where k is the constant. b) If y = 20 when x = 4, k = 4(20) = 80. c) y = k/x, so k = xy with which we can solve the constant k.
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Asked 5/16/2014 4:00:39 PM
Updated 5/17/2014 2:07:20 AM
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a) An equation that models the expression where y varies inversely with x is y = k/x where k is the constant.
b) If y = 20 when x = 4, k = 4(20) = 80.
c) y = k/x, so k = xy with which we can solve the constant k.
Added 5/17/2014 2:07:20 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [5/17/2014 12:36:55 PM]
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