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2­6 Solving Compound Inequalities - Bainbridge High · PDF file2­6 Solving Compound Inequalities Warm­up Answers. ... 2­6 Solving Compound Inequalities ... Solve and graph 2x ­

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  • 2.6NotesAlg1.notebook October09,2012

    Skillswe'velearned

    Skillsweneed

    5.2(6r5)b92.5x94.1x811.t

  • 2.6NotesAlg1.notebook October09,2012

    26SolvingCompoundInequalities

    Solvecompoundinequalitieswithone variable.Graphsolutionsetsofcompoundinequalities

    withonevariable.

    AlifeguardcanusecompoundinequalitiestodescribethesafepHlevelsinaswimmingpool.

    I.Vocabulary

    Theinequalitiesyouhaveseensofararesimple inequalities.WhentwosimpleinequalitiesarecombinedintoonestatementbythewordsANDorOR,theresultiscalledacompoundinequality .

    CompoundInequality

  • 2.6NotesAlg1.notebook October09,2012

    1.Thefreechlorineinapoolshouldbebetween1.0and3.0partspermillioninclusive.Writeacompoundinequalitytoshowthelevelsthatarewithinthisrange.Graphthesolutions.

    Letcbethechlorinelevelofthepool.

    II.WritingCompoundInequalities

    2.ThepHlevelofapopularshampooisbetween6.0and6.5inclusive.WriteacompoundinequalitytoshowthepHlevelsofthisshampoo.Graphthesolutions.

  • 2.6NotesAlg1.notebook October09,2012

    And? Or?x0 x>10orx

  • 2.6NotesAlg1.notebook October09,2012

    IV.TheCompoundInequality"Or"

    4.Solvethecompoundinequalityandgraphthesolutions.

    8+a>7OR8+a

  • 2.6NotesAlg1.notebook October09,2012

    V.WritingaCompoundInequalityfromaGraph

    5.Writethecompoundinequalityshownbythegraph.

    a.

    b.

    VI.TriangleInequality

    1

    23

    Doesthistriangleexist?

    2

    15

    ?

  • 2.6NotesAlg1.notebook October09,2012

    IndividualQuizonThursday!5questionslike"solveandgraph2x+4

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