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14 November, 15:09

Using the Quadratic Formula, which of the following is the solution to the quadratic equation 2x2 + 3x - 5 = 0?

a. x = - 5/2 x = - 1

b. x = - 5/2, x = 1

c. x = 5/2, x = 1

d. x = 5/2, x = - 1

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Answers (1)
  1. 14 November, 15:13
    0
    Answer: B

    Step-by-step explanation:

    x1,2 = - 3±√9+40 / 4 = - 3±7 / 4 = > x1 = - 3-7 / 4 = - 10/4 = - 5/2

    x2 = 7-3 / 4 = 4/4 = 1
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