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11 June, 09:09

Solve the following quadratic equation using the quadratic formula and then choose the correct solution set. 6x^2-7x+2=0

a. {-1/2,2/3}

b. {1/2,3/2}

c.{1/2,2/3}

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Answers (1)
  1. 11 June, 09:26
    0
    Step-by-step explanation:

    hello:

    6x²-7x+2=0 quadratic equation when : a = 6 b = - 7 c = 2

    ∆ = b²-4ac

    ∆ = (-7) ² - 4 (6) (2) = 49-48 = 1

    X1 = (-b+√∆) / 2a = (7+1) / 12 = 8/12 = 2/3

    X2 = (-b-√∆) / 2a = (7-1) / 12 = 6/12 = 1/2

    the solution is : {1/2,2/3} ... answer : C
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