In Exercises 55 58, find two quadratic functions, one that opens upward and one that
Chapter 3, Problem 55(choose chapter or problem)
Using the x-Intercepts to Write Equations
In Exercises 55–58, find two quadratic functions, one that opens upward and one that opens downward, whose graphs have the given x-intercepts. (There are many correct answers.)
(−1, 0), (3, 0)
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