Given that x and y are in inverse proportion, and y1,y2 are values of y corresponding to the values x1,x2 of x respectively. Which of the following is correct?
A
x1y2=x2y1
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B
x1y1=x2y2
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C
x1x2=y1y2
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D
=
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Solution
The correct option is B
x1y1=x2y2
If x and y are in inverse proportion, and y1,y2 are values of y corresponding to the values x1,x2 of x respectively, then x1y1=x2y2