The equation below describes a proportional relationship between x and y. What is the constant of proportionality? y
x

The given equation is
y = x
→
reciprocating both sides, we get
→ (1)
→ Here x and y are Directly proportional to each other.
which means ,
→ x = k y , where k is constant of proportionality.
Or , = k (2)
Equating (1) and (2),
k =

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