7.1: Roots and Radical Expressions

Question 1

radicand

Answer 1

the number under the radical sign

Question 2

index

Answer 2

gives the degree of the root

Question 3

principal root

Answer 3

when a number has two real roots, the positive root

Question 4

nth root

Answer 4

any real numbers a and b, and any positive integer n, if a(n) =b