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Math Help - Parabola

  1. #1
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    Post Parabola

    How many x-intercepts does y=-9x^2 have?

    a) none
    b) zero
    c) one
    d) two
    e) infinite many
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  2. #2
    Bar0n janvdl's Avatar
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    Quote Originally Posted by iorga View Post
    How many x-intercepts does y=-9x^2 have?

    a) none
    b) zero
    c) one
    d) two
    e) infinite many
    The  c -value is 0, so its origin will be on the x-axis.

    It intercepts the x-axis once.
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