Finding A Mathematical Model

Discussion in 'Other Pre-University Math' started by nycmathguy, Aug 19, 2021.

  1. nycmathguy

    nycmathguy

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    Section 1.10
    54 & 60

    Question 54

    The mathematical model is A = kr^2. I must now find k.

    A = kr^2

    9pi = k(3^2)

    9pi = 9k

    9pi/9 = k

    pi = k

    The constant of proportionality is pi.

    Question 60

    I found the mathematical model to be
    z = k[x^2/y].

    Let k = constant of proportionality.

    6 = k[(6^2)/4]

    6 = k[(36)/4]

    6 = 9k

    6/9 = k

    2/3 = k

    You say?


    20210818_232849.jpg
     
    nycmathguy, Aug 19, 2021
    #1
    MathLover1 likes this.
  2. nycmathguy

    MathLover1

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    Correct
     
    MathLover1, Aug 19, 2021
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    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Cool. Not a bad section at all.
     
    nycmathguy, Aug 19, 2021
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