28 Chapter 1 The Set of Real Numbers 6 or 7. The Opposite of a Real Number Two numbers that are the same distance from 0 but on opposite sides of 0 on the number line are called opposites of each other. Symbolically, we denote the opposite of a real number a as a. Finding the Opposite of a Real Number a. Find the opposite of 5. b. Find the opposite of Solution: a. The opposite of 5 is . b. The opposite of is opposites Skill Practice Find the opposite. 18. 224 19. 3.4 47 47 4 7 6 5 4 3 2 1 0 1 2 3 4 5 6 opposites 4 7 . 5 4 7 . Example 7 Answers 14. 6 15. 7 16. 7 17. 6 18. 224 19. 3.4 20. 2.8 21. 1 5 Skill Practice Fill in the blanks with the appropriate inequality sign: 14. 11 20 15. 3 6 16. 0 9 17. 6.2 1.8 4. Opposite of a Real Number To gain mastery of any algebraic skill, it is necessary to know the meaning of key definitions and key symbols. Two important definitions are the opposite of a real number and the absolute value of a real number. Finding the Opposite of a Real Number Example 8 Evaluate each expression. a. b. Solution: a. The expression represents the opposite of 0.46. 10.462 0.46 10.462 11 3 a b b. The expression represents the opposite of Skill Practice Evaluate. 20. 21. a 1 5 12.82 b 11 3 a . 11 3 b 11 3 a 11 3 10.462 b
miller_beginning_intermediate_algebra_4e_ch1_3
To see the actual publication please follow the link above