# Lesson 5I May Be Irrational, But You’re ImaginarySolidify Understanding

Classify each of the numbers represented below according to the sets to which they belong. If a number fits in more than one set, then select all that apply.

### 1.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 2.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 3.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 4.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 5.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 6.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 7.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 8.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

### 9.

whole numbers

integers

rational numbers

#### D.

irrational numbers

real numbers

## Set

Perform the indicated operations.

Multiply.

### 25.

In problem 23, you multiplied two complex numbers that were conjugates. When you multiply two conjugates, will your answer become a real number? Justify your answer.

Solve.