Solution a) 7 3 because 7 is to the right of 3 on the number line. b) 6 1 because 6 is to the left of 1 on the number line. c) 5 8 because 5 is to the right of 8. d) 2 4 because 2 is to the right of 4. e) 3 0 because 3 is to the left of 0. YOU TRY 2 Fill in the blank with or to compare each pair of numbers. Look at the number line in Example 2 to help you, if necessary. a) 1 4 b) 5 8 c) 6 2 d) 0 7 e) 8 3 Be careful when comparing fractions and decimals. Graph the numbers to accurately compare them. Graph each pair of numbers on a number line, then fi ll in the blank with or to compare the numbers. a) 1 3 _____ 3 4 b) 2 7 8 _____ 2 1 2 c) 3.6 _____ 3.2 Solution a) Draw a number line, 21 2 3 3 4 23 22 21 0 1 2 3 and graph each number: 1 3 3 4 since 1 3 is to the right of 3 4 . b) 8 221 227 2 23 22 21 0 1 2 3 2 7 8 2 1 2 because 2 7 8 is to the left of 2 1 2 . c) 23.6 23.2 24 23 22 21 0 1 2 3 4 3.6 3.2 because 3.6 is to the left of 3.2. EXAMPLE 3 YOU TRY 3 Graph each pair of numbers on a number line, then fi ll in the blank with or to compare the numbers. a) 5 8 _____ 1 6 b) 1 1 4 _____ 1 2 3 c) 4.5 _____ 4.1 www.mhhe.com/messersmith SECTION 10.1 Introduction to Signed Numbers 719
messersmith_power_basic_college_1e_ch4_7_10
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