If x= -3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the equation? a) the discriminant is negative. b) the discriminant is -3. c) the discriminant is 0. d) the discriminant is positive.

C) The discriminant is 0.

Step-by-step explanation:

Since the graph of the quadratic equation has only one x-intercept, we can conclude that the quadratic has only one real root.

If a quadratic equation has only one real root, then the discriminant is 0

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.

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