Understanding Number Sets

The video tutorial explores the classification of the number 8 within various number sets. It begins with natural numbers, progresses through whole numbers and integers, and then discusses rational and irrational numbers. The tutorial concludes with an explanation of real numbers, which encompass both rational and irrational numbers. The video uses examples, such as pi, to illustrate the differences between these sets.

Which set of numbers does not include zero?

• Integers

• Natural numbers

• Whole numbers

• Rational numbers

What is the smallest whole number?

• 0

• 1

• -1

• 2

Which of the following is not an integer?

• 2.5

• 8

• 0

• -3

Which number set includes negative numbers?

• Rational numbers

• Integers

• Whole numbers

• Natural numbers

How can the number 8 be expressed as a rational number?

• 8/1

• 8.0

• 8%

• 8*1

What is an example of a rational number?

• 8/1

• Pi

• Square root of 2

• e

Which of the following is an irrational number?

• 8

• 3/4

• Pi

• 0.75

What is a characteristic of irrational numbers?

• They can be expressed as a fraction

• They have a repeating decimal

• They are always negative

• They cannot be expressed as a fraction

Which set includes both rational and irrational numbers?

• Natural numbers

• Whole numbers

• Integers

• Real numbers

Which of the following is a real number?

• Pi

• Infinity

• Imaginary unit

• Square root of -1