In which of the tables below x and y are inversely proportional? find the constant of variation.

can you tell me which ones are inversly and directly proportiional and the constant of variation for each :

a)

l x l 3 l 4 l 5 l5.5 l
l__l__l__l
l y l 8 l 6 l 4.8 l4 l
l__l__l__l

b)

x 0.1 0.5 75 100
y 300 60 0.4 0.3
(pretend thats a chart)

can you tell me which ones are inversly and directly inversable and the constant of variation for each :

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest