(Graphing program recommended.) On the same graph, plot

Chapter 8, Problem 8.1.3

(choose chapter or problem)

(Graphing program recommended.) On the same graph, plot the following three functions. y1 5 x2 y2 5 x2 y3 5 x2 a. Calculate the focal point for each parabola. b. Compare y2 and y3 with y1. c. Complete this sentence: As the value of |a| gets smaller, the focal point gets ________ the vertex and the graph gets ________.

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