Posted by Tomi on .
5. If a quantity increases as a second quantity decreases and decreases as the second quantity increases, the two quantities are said to be:
A_Directly proportional
B_Inversely proportional
C_Completely unrelated
D_Blue and red

physics 
drwls,
C. is the best answer. Strictly speaking, "inversely proportional" for variables x and y, means x*y = constant. There could be other relationships where one goes up while the other goes down.