Question

y varies inversely as twice x. When x = 1, y = 3. Find y when x = 4.

Answer 1

answer choices: 1/2, 2/3, 3/4, 1/4

Answer 2

we can write relation as y = k (1/2x)
find k by substitution given x and y values

Answer 3

Find k using x = 1, y = 3

Answer 4

Can u?

Answer 5

@sauravshakya its given y varies inversely with twice x
so it should be like y = k (1/2x)

Answer 6

But k/2 is also a constant if k is a constant

Answer 7

right? @chandhuru

Answer 8

your right :)

Answer 9

(?_?)

Answer 10

@evergirl got it?

Answer 11

kind of :/