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-   -   Discriminant property (https://www.askmehelpdesk.com/showthread.php?t=252169)

  • Aug 23, 2008, 02:25 PM
    ash23
    discriminant property
    x^2 + 2.20x+1.21 =0

    &&

    4x^2 + 5x + 13/8

    "use the discriminant to determine the number of real solutions of the equation.
    do not solve the equation "
  • Aug 23, 2008, 03:39 PM
    galactus
    The discriminant is

    Plug in you're a,b,c and see what you get.

    Here are the conditions.

    If the discriminant is >0, then it has 2 real roots.

    If it = 0, then it has one real root of multiplicity 2.

    If it is <0, then it has no real roots.

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