5.6GraphingLinearInequalitiesinTwoVariablesDoNow:Graphthefollowing:Example1:CheckingSolutionsTellwhethertheorderedpairisasolutionoftheinequality.

a) 2! + ! < −3; (−1,9)

b) ! − 3! ≥ 8; (2,−2)Example2:GraphingalinearinequalityinonevariableSpiralReview: Graph! = 2Nowthink…Howcanyougraph; Graph! ≤ 2

Example3:GraphingalinearinequalityintwovariablesGraph– ! + 2! > 2(treattheinequalityasanequalsign)Tryonyourown!Graph! − 2! ≤ 2

Example4:ModelingwithmathematicsYoucanspendatmost$10ongrapesandapplesforafruitsalad.Grapesare$2.50perpound,andapplecost$1perpound.Writeandgraphaninequalitythatrepresentstheamountsofgrapesandaplesyoucanbuy?Identifyandinterprettwosolutionsoftheinequality.Classwork/Homework3,5,8,11-17,19,24,25,28,33,35,38,40