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26 November, 02:50

A quadratic equation is shown below: 3x2 - 16x + 2 = 0 Part A: Describe the solution (s) to the equation by just determining the radicand. Show your work. Part B: Solve 9x2 + 3x - 2 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used.

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  1. 26 November, 06:17
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    i think you mean discriminant in part A

    Δ=b^2-4ac=256-4*2*3=256-24=232

    it is positive so it has two answers.

    Part B

    you can find Δ

    Δ=b^2-4ac=9-4*9 * (-2) = 81

    x1=-3+9/18=6/18=1/3

    x2=-3-9/18=-12/18=-2/3
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