Question

if y varies inversely as the square root of x, what is the constant of proportionality if y=6 when x=4?

Answer 1

k=12

Explanation:

y varies inversely as the square root of x

`y=(k)/(√(x) )`

for some non-zero constant k

y=6 and x=4

`6=(k)/(√(4) ) \\k=12`