8.2A Texas Math

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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 whole numbers?

Back

Whole numbers are non-negative integers, including zero (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 be expressed as fractions and have non-repeating, non-terminating decimal expansions.

Front

Which of the following is NOT an integer: 3, -2, 0.5, 7?

Back

0.5 is NOT an integer.

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).

Front

Are all whole numbers rational?

Back

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

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2 or π (pi).

Front

What is the set of integers?

Back

The set of integers includes all positive whole numbers, negative whole numbers, and zero.

Front

Which statement is true: All integers are rational or All rational numbers are integers?

Back

All integers are rational.