The correct answer is D. -5.
Definition of parabola
1: a plane curve generated by a point moving so that its distance from a fixed point is equal to its distance from a fixed-line : the intersection of a right circular cone with a plane parallel to an element of the cone. 2: something bowl-shaped (such as an antenna or microphone reflector).
The coefficient of the quadratic term, a, determines how wide or narrow the graphs are, and whether the graph turns upward or downward. Important Tidbit. A positive quadratic coefficient causes the ends of the parabola to point upward. A negative quadratic coefficient causes the ends of the parabola to point downward.
Learn more about Graphs at https://brainly.com/question/19376563
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