Algebra 2 Vocab: Chapter 7

12 terms by MFrancisco Plus

Create a new folder

Advertisement Upgrade to remove ads

Nth Root

For any real numbers A and B, and any positive integer N, if A'N = B, then A is an Nth root of B.

Radicand

The number under the radical sign.

Index

Gives the degree of the root.

Principal Root

When a number has two real roots, the positive root is called the ______.

Rationalize the denominator

Rewrite an expression so there are no radicals in any denominator and no denominators in any radical.

Like Radicals

Radical expressions that have the same index and the same radicand.

Rational Exponent

Form of a radical that always indicates the principal root.

Radical Equation

An equation that has a variable on a radicand or has a variable with a rational exponent.

Composite Function

The output for the second function becomes the input for the second function. When you combine two functions, you form a _______.

Inverse Relation

If a relation maps element A of it's domain to element B of its range, the ______ "undoes" the relation and maps B back to A. If (a,b) is an ordered pair of a relation, then (b,a) is an ordered pair of it's inverse.

Inverse Functions

If F'1 and F'-1 are functions, they are called ______. For inverse functions, F'-1(F(x)) = x and F(F'-1(x)) = x.

Radical Function

A radical equation defines a radical function.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set