Recent Lessons

Show all results for ""

15 Questions

3 Views

Mastering Integers

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the set of integers include?

Only positive whole numbers
Only negative whole numbers
Positive and negative fractions
Positive and negative whole numbers including 0 (correct)

What are the subsets of the set of integers?

Set of fractions
Set of whole numbers (correct)
Set of natural numbers
Set of decimals

Which of the following is an integer?

1.5
-2.5
0.5
-1 (correct)

Which of the following is not an integer?

0.9 (D) Signup and view all the answers

What type of number is ½?

Decimal (D) Signup and view all the answers

Which of the following is a characteristic of integers?

They can be negative (D) Signup and view all the answers

What is a rational number?

A number that can be expressed as a ratio of two integers (A) Signup and view all the answers

Is the number 18 a rational number?

Yes, because it can be expressed as a ratio of two integers (D) Signup and view all the answers

What does it mean if a number is a rational number?

It means that the number can be expressed as a ratio of two integers (C) Signup and view all the answers

Which of the following is a rational number?

A number that can be expressed as a ratio of two integers (B) Signup and view all the answers

What is the formal definition of a rational number?

A number that can be written as a fraction with integers, where the denominator is not equal to 0 (C) Signup and view all the answers

Can the number 75 be expressed as a rational number?

Yes, because it can be expressed as a fraction with integers (C) Signup and view all the answers

What is the condition for a number to be rational?

It can be written as a fraction with integers (C) Signup and view all the answers

Is the number ½ a rational number?

Yes, because it is a fraction composed of integers 1 and 2 (D) Signup and view all the answers

What types of numbers can be used to express a rational number?

Integers (D) Signup and view all the answers