Question

Variable y varies directly with x2, and y = 96 when x = 4.



What is the value of y when x = 2?



y = ???
i think its 48?

Answer 1

what is k ??

Answer 2

do you what equation u have to use for direct variation ?

Answer 3

y=kx^2
correct?

Answer 4

right first you have to find k

Answer 5

96=k*4^2

Answer 6

yep right :)

Answer 7

so k=12

Answer 8

nope :(

Answer 9

oopsie, i meant 6!

Answer 10

yep right now find y

Answer 11

i multiply 4*6?

Answer 12

yep

Answer 13

24.

Answer 14

yep :)

Answer 15

thank you! im already a fan of you :)
i wish i could give you more medals!!

Answer 16

thanks a lot glad to help chu :)