Question

In equation y=1/2x, x and y are in direct proportion find the value of k​

Answer 1

value of y = 1/2x

$y = 1 /2 \times x \\ x = 2y$

$we \: know \: for \: direct \: proportion \: \: \\ x /y = k \\ 2y \div 1 / 2x = k \\ 2y \times 2x/1 = k \\ k = 4xy$

Therefore the value of k = 4xy