WHY IS CONSTANT OF PROPOTIONALITY NECESSARY ?

Asked by shankaranarayanan | 17th Oct, 2009, 03:51: PM

Expert Answer:

Dear student,

Given two variables x and y, y is (directly) proportional to x (

)

Then constant of proportionality is a constant k such that,

Note that without a constant k we can have potentially infinite relationships between y and x. So a constant k is a must to define a specific variation of x w.r.t. y.

 


Answered by  | 17th Oct, 2009, 10:57: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.