Chapter 7 Quiz Flashcards
1
Q
nth root
A
for any real numbers a and b, and any positive integer n, if dn = b then a is the nth root of
2
Q
radical equation
A
an equation that has a variable in a radicand or has a variable with a rational exponent
3
Q
principal root
A
when a number has 2 real roots, the positive root is the
4
Q
square root equation
A
radical equation in which the radical has an index of 2
5
Q
index
A
gives the degree of the root
6
Q
rationalize the denominator
A
Rewrite it so there are no radicals in any denominator and no denominators in any radical
7
Q
like radicals
A
Radical expressions that have the same index and the same radicand
8
Q
radicand
A
Number under the radical sign
9
Q
rational exponent
A
Another way to write a radical expression
