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21 June, 13:10

Find the discriminant of the equation. (Show how you got your answer)

a. X^2 + 4x + 9 = 0

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  1. 21 June, 15:03
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    The discriminant of the equation is - 20. You use the formula (that's how I solved it)

    Discriminant formula - b^2 - 4 (a) (c)

    Work:

    4^2-4 (1) (9) = - 20

    The formula for this is the part of the quadratic formula
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