Evaluating radical and rational algebraic expressions Quiz

\[\sqrt{2x}\] when x = 8

\[\sqrt{3(21 - x)}\] when x = 18

\[\left(\frac{x^3}{y^2}\right)\] when x = 2 and y = 2

\[\left(\frac{2x+5}{3x-1}\right)\] where x = 0

\[\sqrt\frac{a}{b}\]  where a = 1000 and b = 10