Term
|
Definition
The number under the radical symbol |
|
|
Term
|
Definition
The little number above the radical. Defines the root you're taking |
|
|
Term
Rationalizing the Denominator |
|
Definition
Since you cannot have a radical in the denominator you must multiply the numerator and denominator by the conjugate of the denominator. This will cancel the bottom radical. |
|
|
Term
|
Definition
It negates the second term in a binomial, only use if a radical is in the denominator. |
|
|
Term
|
Definition
Example: you have an equation and after some work come up with two roots (where it equals zero) "a" and "b". When you put "a" into the original equation it becomes zero, but when you put in "b" it doesn't. So "b" is an extraneous root. |
|
|
Term
|
Definition
|
|
Term
|
Definition
When the absolute value of A is greater than one. |
|
|
Term
|
Definition
When the absolute value of A is less than one. |
|
|
Term
|
Definition
When the absolute value of B is greater than one. |
|
|
Term
|
Definition
When the absolute value of B is less than one. |
|
|