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Help needed with a discriminant question (Pure Maths) Watch

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    The quadratic y = kx2 - 2 + kx + x has discriminant equal to -24. How do I find the value of k?

    So far, I got:
    a = k
    b = k +1
    c = -2
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    (Original post by honour)
    The quadratic y = kx2 - 2 + kx + x has discriminant equal to -24. How do I find the value of k?

    So far, I got:
    a = k
    b = k +1
    c = -2
    Discriminant = b^2-4ac
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    (Original post by NotNotBatman)
    Discriminant = b^2-4ac
    Are my values for a, b and c right though?
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    (Original post by honour)
    Are my values for a, b and c right though?
    Yes.
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    (Original post by NotNotBatman)
    Yes.
    Okay thanks
 
 
 
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