x and y vary inversely, and y = 3 when x = 6. Find y when x = 9.

A. 2
B. 4.5
C. 12
D. 18

Question

x and y vary inversely, and y = 3 when x = 6. Find y when x = 9.


 A. 2 
 B. 4.5 
 C. 12 
 D. 18

jdoe0001 · Answer

they both vary inversely, to "vary inversely" meaning, when one INCREASES the other DECREASES, so the increment in one, decreases the other

jdoe0001 · Answer

if "x" was 6, and now it WENT UP to 9, so, "y" would?

anonymous · Answer

Go down 3?

jdoe0001 · Answer

the pattern of varying inversely, pretty much rules out 3 of your choices

yes, it goes BELOW its previous standing, below 3

anonymous · Answer

The only thing less the three is two though... SO would it have to be 2?

jdoe0001 · Answer

yes

jdoe0001 · Answer

When you have eliminated the impossible, whatever remains, however improbable, must be the truth.

~~ Sherlock Holmes, The Sign of Four Mistakes are always initial. ~~

jdoe0001 · Answer

hehe