SOLUTION: Determine the equation of a curve whose coordinates always multiply to give 14 a circle, centre origin and diameter 9

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Question 1127171: Determine the equation of
a curve whose coordinates always multiply to give 14
a circle, centre origin and diameter 9

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
xy=14
y=14/x
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%2814%2Fx%29%29
radius is 4.5, and 4.5^=20.25
x^2+y^2=r^2 for a circle at the origin
x^2+y^2=20.25 or 4.5^2