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-   -   Finding x & why intercepts (https://www.askmehelpdesk.com/showthread.php?t=228660)

  • Jun 19, 2008, 02:57 PM
    maricelalvarez
    finding x & y intercepts
    I am having trouble trying to solve this problem if anyone can help I would greatly appreciate it

    for the quadric function f(x)=5.74x^2-3.135x-5.79, find the maximum or the minimum value,the x-intercepts, & the y-intercepts?
  • Jun 19, 2008, 06:09 PM
    galactus
    1 Attachment(s)


    The vertex can be found by the simple formula,

    Then plug that back into your function to find the y-coordinate.

    To find the y intercept, set x=0.

    To find the x-intercept, set y=0 and solve by factoring, quadratic formula, completing the square, whatever.

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