Mathematics, 20.01.2020 12:31 coolkitty35

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what is the value of the discriminant, b2 − 4ac, for the quadratic equation 0 = x2 − 4x + 5, and what does it mean about the number of real solutions the equation has?

a)the discriminant is −4, so the equation has 2 real solutions.
b)the discriminant is −4, so the equation has no real solutions.
c)the discriminant is 35, so the equation has 2 real solutions.
d)the discriminant is 35, so the equation has no real solutions.

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what is the value of the discriminant, b2 − 4ac, for the quadratic equation 0 = x2 − 4x +...