Back to 1.1 Real Numbers: Algebra Essentials

Classifying Real Numbers

Avg difficulty 2.5

Classify each number as either positive or negative and as either rational or irrational. Does the number lie to the left or the right of 0 on the number line?

  1. ⓐ − 10 3 - \frac{10}{3}
  2. ⓑ 5 \sqrt{5}
  3. ⓒ − 289 - \sqrt{289}
  4. ⓓ −6π −6 \pi
  5. ⓔ 0.615384615384… 0.615384615384 \ldots

OpenStax Algebra and Trigonometry 2e, 1.1 Real Numbers: Algebra Essentials, exercise 10

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.