Question

a proportional relationship is represented by the equation 2x=18y . If y=x , where k is the constant of proportionality, then what is the value of k.

Answer 1

Answer: $\bold{k=\dfrac{1}{9}}$

Step-by-step explanation:

The constant of proportionality is y = kx.  Solve the given equation for "y" to find k-value in front of "x".

    18y = 2x

   $\dfrac{18y}{18}=\dfrac{2x}{18}$

    $y=\dfrac{1}{9}x$

$k=\dfrac{1}{9}$