8.2A Real Number System

Front

How can -7.5 best be classified?

Back

Rational, Real

Front

Zero can be classified as all of the following except which?

Back

Natural

Front

π or PI is classified as which?

Back

Irrational, Real

Front

Classify the following: -78

Back

Integer, Rational, Real

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction; its decimal representation is non-repeating and non-terminating.

Front

What is a whole number?

Back

A non-negative integer, including zero (0, 1, 2, 3, ...).

Front

What is an integer?

Back

A whole number that can be positive, negative, or zero (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot.

Front

Is 0 a rational number?

Back

Yes, because it can be expressed as 0/1.