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Math Help - rectangle

  1. #1
    Newbie
    Joined
    Sep 2007
    Posts
    3

    Thumbs up rectangle

    okay the problem is:
    The length of a rectangle is 8 more than the width. The area is 308 square units.
    What are the dimensions of the rectangle?
    PLEASEEE HELP!

    Last edited by Buttnessa; September 19th 2007 at 04:30 PM. Reason: mhmmmmm/
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  2. #2
    Newbie
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    Sep 2007
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    BLEH:p

    anyoneeeeeeeeeeeee?
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  3. #3
    Junior Member
    Joined
    Aug 2007
    Posts
    45
    width = x
    length = x + 8

    x(x+8) = 308

    x^2 + 8x = 308

    x^2 + 8x - 308 = 0

    x = 14, x = -22

    reject the negative

    plug in x as 14

    width = 14
    length = 22

    14*22 = 308
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