Using the graph as your guide, complete the following statement.
the discriminant of the function is

Using the graph as your guide, complete the following statement.

The discriminant of the function is

Step-by-step explanation: Remember a parable of the form f(x) = a, satisfy:

(1) has only one root if and only if [tex] b^2 - 4ac = 0[\tex]

(2) has two real roots if and only if  [tex] b^2 - 4ac > 0[\tex]

(3) has two complex roots if and only if  [tex] b^2 - 4ac < 0[\tex].

The number b^2 - 4ac is called the discriminant of the parable f(x).

From the graph we can see that the parable has only one root approx in x =1. Thus from point (1) we can conclude that the discriminant should be zero.

PD: a root of a polynomial f(x) is a number a such thast f(a) =0.

The answer is A.

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step-by-step explanation: