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Math Help - Algebra 2

  1. #1
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    Algebra 2

    Using the inverse, what GPA does a student need to get a passing score of 510 on the state exam?
    A high school principal uses the formula y=150x+180 to predict a student's score on a state achievement test using the student's 11th-grade GPA number x.
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  2. #2
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    Re: Algebra 2

    You need to solve the equation 150x+180 = 510 and find x.
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