7:1 - 7:2

Question 1

To __________ of an expression, rewrite it so there are no radicals in any denominator and no denominators in any radical

Answer 1

rationalize the denominator

Question 2

for any real numbers, a & b, and any positive integer n, if a* = b, then a is an nth root of b// for any negative real number a, n square an = |a| when n is even

Answer 2

Def. of nth root

Question 3

the number under the radical sign

Answer 3

radicand

Question 4

gives the degree of the root

Answer 4

index

Question 5

when a number has two real roots, the positive root is called _________, indicated by the radical sign

Answer 5

principal root