4 QUESTIONS! FAN+MEDAL!

If x varies inversely with y and x = 6 when y = 10, find y when x = 8.

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

xy = –12. What is the constant of variation for this relationship?

and finally:

(posted in the comments)

Question

4 QUESTIONS! FAN+MEDAL!

If x varies inversely with y and x = 6 when y = 10, find y when x = 8.

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

xy = –12.  What is the constant of variation for this relationship?

and finally:

(posted in the comments)

jacobbirddog · Answer

attachment

anonymous · Answer

If x and y vary inversely, then xy will always be the same.
So...6*10 = 8 * y
Solve for y for the answer to number 1

anonymous · Answer

On number 2|dw:1399062904785:dw|