Mathematics

10th -

12thgrade

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Applications of Polynomials

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  • 1. Multiple Choice
    5 minutes
    1 pt
    Find the area of a rectangle with length (x-5) and width (3x+1).
    3x2+16x-5
    3x2-14x+5
    3x2-14x-5
  • 2. Multiple Choice
    5 minutes
    1 pt
    Find the perimeter of a rectangle with length (x-5) and width (3x+1).
    8x-8
    4x-4
    8x+8
    4x+12
  • 3. Multiple Choice
    5 minutes
    1 pt

    You are drawing a rectangle with side lengths of (3 – x) inches and (x – 7) inches.


    What is the value of x that will maximize this drawing?


    What is the maximum area that can be obtained from this drawing?

    x = 3

    max area = 7 in2

    x = 5

    max area = 4 in2

    x = 7

    max area = 3 in2

    x = 4

    max area = 5 in2

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