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31 October, 10:44

What is the discriminant of the equation?

3x^2 + 10x + 4 = 0

Question options:

19

52

148

-41

+2
Answers (1)
  1. 31 October, 13:34
    0
    The discriminant is the term under the radical sign in the quadratic formula.

    x = (-b + - (b^2-4ac) ^ (1/2)) / (2a)

    It is the b^2-4ac part. (a, b, c from the standard quadratic of form ax^2+bx+c)

    In this case:

    10^2-4*3*4

    100-48

    52
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