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Form of a Quadratic (with questions)

Analyzing the Graph of a Quadratic Equation

Change only the value of a in the equation above. Describe what changes happen to the graph.

Change only the value of b in the equation above. Describe what changes happen to the graph.

Change only the value of c in the equation above. Describe what changes happen to the graph.

What kinds of features, characteristics, or elements always remain present regardless of the values of a, b, or c? (Do not consider cases where a = 0)