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11 October, 08:50

Which values of c will cause the quadratic equation - x2 + 3x + c = 0 to have no real number solutions? Check all that apply.

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Answers (2)
  1. 11 October, 10:47
    0
    c=x2-3x

    Step-by-step explanation:

    Let's solve for c.

    -x2+3x+c=0

    Step 1: Add x^2 to both sides.

    -x2+c+3x+x2=0+x2

    c+3x=x2

    Step 2: Add - 3x to both sides.

    c+3x+-3x=x2+-3x

    c=x2-3x

    Answer:

    c=x2-3x
  2. 11 October, 12:05
    0
    Answer:a quadratic equation has no real number solutions than the discriminant is less than zero

    D < 0

    (b^2 - 4ac) < 0

    (9 - 4 (-1*c) < 0

    (9+4c) < 0

    4c < - 9

    c < - 9/4
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