Question

Q # 16..please help me

Answer 1

Direct variation is a relationship between two variables in which one is a constant multiple of the other. In particular, when one variable changes the other changes in proportion to the first. If b is directly proportional to a, the equation is of the form b = ka (where k is a constant).

Given the equation
`2x-4y=0,` you can see that

`4y=2x,\\\\y=(2)/(4)x=(1)/(2)x.`

Then the constant
`k=(1)/(2).`

Answer: correct choice is C.