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    maricelalvarez's Avatar
    maricelalvarez Posts: 1, Reputation: 1
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    #1

    Jun 19, 2008, 02:57 PM
    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?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jun 19, 2008, 06:09 PM


    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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