Question

1

If y varies inversely as x, and y = 2/5 when x = 2, find y when x = 1.

Find the constant of variation for the relation and use it to write an equation for the statement. The solve the equation

Answer 1

`(1)/(5)`

Explanation:

`(2)/(5) = y \: \\ x \ = 2 \\ ( (2)/(5) )/(2) = (2)/(2) \: \\ (1)/(5) = y \: when \: \: 1= x`