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2 July, 09:53

5. Use the discriminant to determine how many real number solutions exist for the quadratic equation - 4j2 + 3j - 28 = 0

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  1. 2 July, 12:09
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    -4j² + 3j - 28 = 0

    D = b ² - 4ac = 3² - 4 * (-4) * (-28) = 9 - 448 = - 439

    D<0 ⇒ j ∈ ∅

    No solutions
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