Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.
If y varies inversely as the square of x, and y
a.
b.
5
-—; y(5) -
y-
125
7x²y(5) = 4
175
48
63
when x-3, find y when x = 5.
C.
d.
y=
7
4x²
(5) - 7
100
y = - 52+ (5)
5x²
125