


Description 



Radical: The symbol, , which is read "the bth root of a," is called a radical. 
Number 
Radical 
Radicand 
Exponential Form 
How to read 
Notes 


5 

"square root of 5" 
The radical sign with no numbers is the square
root symbol 


b 

"cube root of b" 



25 

"fifth root of 25" 
In fractional exponents, the numerator is the
number of times the radicand is used as a factor, and the denominator is the
root. 




"ath root of b raised to the c
power" 
The exponent can be negative. A negative in the
exponent means to take the reciprocal of the number. For example, b^{c/a} = 1/ . 


