TEK 7.2A SETS OF RATIONAL NUMBERS

Front

What is a rational number?

Back

Front

Is the number 0 a rational number?

Back

Front

What is the set of integers?

Back

The set of integers includes all whole numbers and their negative counterparts: {..., -3, -2, -1, 0, 1, 2, 3, ...}.

Front

Are all whole numbers rational numbers?

Back

Yes, all whole numbers are rational numbers because they can be expressed as fractions with a denominator of 1.

Front

What is the difference between whole numbers and counting numbers?

Back

Whole numbers include 0 and all positive integers, while counting numbers start from 1 and include only positive integers.

Front

Can a rational number be a negative number?

Back

Front

What is a subset?

Back

A subset is a set where all elements are also contained within another set. For example, Set A = {0, 1} is a subset of the set of whole numbers.

Front

Back

Front

What are counting numbers?

Back

Counting numbers are the set of positive integers starting from 1: {1, 2, 3, 4, ...}.

Front

What is the relationship between rational numbers and integers?

Back

All integers are rational numbers because they can be expressed as fractions with a denominator of 1.