Question

If y varies inversely as the square of x, and y = 1/8 when x = 1, find y when x = 5.

Answer 1

so the formula is y=k/x

Answer 2

so 1/8=k/(1^2)

Answer 3

do you understand what im saying?

Answer 4

@Timtime

Answer 5

y = 1/200
y = 1/125
y = 1/5
y = 8/25

Answer 6

those are the multiple choice answers iam stuck

Answer 7

ok what is 1^2?

Answer 8

how u get 1^2

Answer 9

square of x
x=1

Answer 10

o ok

Answer 11

so what is it?

Answer 12

1^2? that would just equal 1

Answer 13

correct, so multiply both sides by 1 to get k

Answer 14

so k=1/8, now enter in the new info. y=(1/8)/5 and solve fir y

Answer 15

for

Answer 16

is it 8/25

Answer 17

(1/8)/25 or 1/200

Answer 18

thank you

Answer 19

not a problem