Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.1 Signed Numbers - 9.1 Exercises - Page 629: 56

Answer

(a) The patient may think they were okay. (b) Patient b

Work Step by Step

(a) If patient A did not understand the negative sign, patient A would think that he/she was in the healthy range when he/she was in the unhealthy range. Thus, we see the importance of understanding negative signs. (b) Patient B is the patient where the sign of the score does not impact the result. After all, Patient B's score is 0, and 0 is neither positive nor negative.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.