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Example 5 from Algebra and Trigonometry, 1.1 Real Numbers: Algebra Essentials
Classify each number as being a natural number (N), whole number (W), integer (I), rational number (Q), and/or irrational number (Q′).
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
| N | W | I | Q | Q′ | |
|---|---|---|---|---|---|
| a. | X | X | X | X | |
| b. | X | ||||
| c. | X | ||||
| d. –6 | X | X | |||
| e. 3.2121121112... | X |
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Classify each number as being a natural number (N), whole number (W), integer (I), rational number (Q), and/or irrational number (Q′).
How did it go?