What name is given to the constant ratio y/x of directly proportional quantities?
AProportionality constant
BNormalizing constant
CExponential constant
DUniversal constant
Answer & Solution
Correct answer: A. Proportionality constant
1. In y = kx, the number k is the constant ratio y/x.
2. It is called the coefficient of proportionality or proportionality constant.
3. The normalizing constant is its reciprocal, not the ratio itself.
_Source: Wikipedia, Proportionality (mathematics), lead section_
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