Question

If I varies inversely with R and I = 0.25 when R = 18, which equation should be used to show this relationship?

A.

I=R/4.5

B.
IR = 0.45

C.
I = 4.5R

D.

I=4.5/R

Answer 1

@sourav_aich can you help?

Answer 2

If I varies inversely with R, then they multiply to the same constant k.
IR = k

Answer 3

Use the numbers they gave you to find k.
0.25 * 18 = k

Answer 4

thnx!

Answer 5

yw

Answer 6

wait would it be B?

Answer 7

I got 4.5 when I mulitiplied

Answer 8

IR = 4.5

Answer 9

Divide both sides by R to get D.

Answer 10

YAY thnxx

Answer 11

you're welcome