Mathematics for IGCSE & O level - Proportion (Section 2 - No. 2)
If *y* is inversely proportional to the square root of *x*, then which statement is true?
*y* = k√x
x*y = k
*x* = k/y^2
*y* = k/√x
설명
If y is inversely proportional to the square root of x, this means y = k/sqrt(x)