8.2A Real Number System

Front

What is the classification of zero?

Back

Zero is classified as Whole, Rational, and Integer, but not as Natural.

Front

What are Natural Numbers?

Back

Natural Numbers are the set of positive counting numbers: 1, 2, 3, 4, ...

Front

What are Whole Numbers?

Back

Whole Numbers are the set of Natural Numbers including zero: 0, 1, 2, 3, ...

Front

What are Integers?

Back

Integers are whole numbers that can be positive, negative, or zero: ..., -3, -2, -1, 0, 1, 2, 3, ...

Front

What are Rational Numbers?

Back

Rational Numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

What are Irrational Numbers?

Back

Irrational Numbers are numbers that cannot be expressed as a simple fraction, such as √2 or π.

Front

How can -7.5 be classified?

Back

-7.5 is classified as Real and Rational.

Front

What is the Real Number System?

Back

The Real Number System includes all rational and irrational numbers.

Front

What is the difference between Rational and Irrational Numbers?

Back

Rational Numbers can be expressed as a fraction, while Irrational Numbers cannot.

Front

Can a number be both Rational and Irrational?

Back

No, a number cannot be both Rational and Irrational.