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anonymous

  • 5 years ago

The area of a rectangular athletic field is represented by the expression 9z^7-42z^4+72z^2 square meters. Write an algebraic expression to represent one possible set of dimensions (in he sense of length times width) of the athletic field. Include correct units with your solution.

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  1. anonymous
    • 5 years ago
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    m afraid i dont understand wt u mean by representing one set of dimensions

  2. amistre64
    • 5 years ago
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    first off factor out the excess baggage

  3. anonymous
    • 5 years ago
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    as in the length and the width of the rectangular field.

  4. amistre64
    • 5 years ago
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    z^2(9z^5 -42z^2 +72)...you sure there aint a typo in this?

  5. amistre64
    • 5 years ago
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    3z^2 (3z^5 -14z^2 +24)

  6. anonymous
    • 5 years ago
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    no there is no typo. why do you ask

  7. amistre64
    • 5 years ago
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    that z^7 is an odd thing to work with...thought maybe it was spoosed to be z^6

  8. anonymous
    • 5 years ago
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    no it is z^7

  9. amistre64
    • 5 years ago
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    with this factored version you have 2 'numbers' to represent a length and width; just pick a z>0...maybe a 1?

  10. amistre64
    • 5 years ago
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    3(3-14+24) 3(13) seems fetching ;)

  11. anonymous
    • 5 years ago
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    what

  12. amistre64
    • 5 years ago
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    the length is (3z^2) ft the width is (3z^5 -14z^2 +24) ft

  13. amistre64
    • 5 years ago
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    whatever number you choose for 'z' will give you a product of lenth times width whichis equal to area

  14. anonymous
    • 5 years ago
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    ok.

  15. anonymous
    • 5 years ago
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    in the problem it is meters, so the answer would be L= 3z^2 meters and W= 3z^5-14z^2+24 meters.

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