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2–9Integers and GraphingMAIN IDEA• Use integers torepresent real-worlddata.BUILD YOUR VOCABULARY (pages 27–28)Data that are less than zero are represented by negativenumbers. Data that are greater than zero are representedby positive numbers.Opposites are numbers that are thefrom zero in opposite directions.Positive whole numbers, their opposites, andare called integers.distanceEXAMPLES Use Integers to Represent DataWrite an integer to represent each piece of data.GROWTH A height increase of 3 inches.An increase represents anumber.The integer is .GOLF A golfer is seven shots below par.WRITE ITWrite a sentence aboutanother real-life situationwhen you would use anegative number.The word below represents anumber.The integer is .Check Your Progress Write an integer to representeach piece of data.a. 12 degrees above zero b. loss of 8 yards.EXAMPLE Graph an Integer on a Number LineGraph -2 on a number line.Draw a number line. Then draw a dot at the location thatCopyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.represents . 48 Math Connects, Course 1