Inverse variation
if i varies inversely with r and i = 0.15 when r = 50, which equation should be used to show this relationship? a. i=7.5/r b. i=7.5r c. ir=0.75 d. i=r/7.5
if x varies inversely with y and x = 8 when y = 6, find y when x =10.
a. y=40/3 b. y=5/12 c. y = 7.5 d. y = 4.8
xy = –12. what is the constant of variation for this relationship?
a.–1.2 b. -1/4 c.–0.12 d.–12
v varies inversely with t and v = 18 when t = 3. which equation shows this relationship? a. v=6/t b. v=6t c. v=54/t d. v=54t
the 4 is in the doc.