SOLUTION: which of the following is a rational number? a) {{{-sqrt(1/24) }}} b) {{{ sqrt(1/25) }}} c) {{{- sqrt(1/15) }}} d) {{{ sqrt(1/6) }}}

Algebra ->  Real-numbers -> SOLUTION: which of the following is a rational number? a) {{{-sqrt(1/24) }}} b) {{{ sqrt(1/25) }}} c) {{{- sqrt(1/15) }}} d) {{{ sqrt(1/6) }}}      Log On


   

Question 317384: which of the following is a rational number?
a) -sqrt%281%2F24%29+
b) +sqrt%281%2F25%29+
c) -+sqrt%281%2F15%29+
d) +sqrt%281%2F6%29+
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
A rational number is a fraction.
Looking at your choices, sqrt{1/25} = 1/5, which is a fraction.
The answer is b.