Unit 1 Lesson 1.1.4
Operations w/ Real Numbers

Addition and subtraction b/n a rational and an irrational number is always irrational.

​Rule 2:

Any operation between two irrational numbers may or may not be irrational.

Rule: 1

Concepts/Rules:

Multiplication and division between and irrational number and any non-zero rational number is irrational.

​Rule 3:

Concepts/Rules:

​Procedure:

1) Use the rules of operations w/ real numbers to determine if the given problem results in a rational or irrational number.

Example 1:

Example 2:

Example 3:

Example 4: