Chapter9: Quadratic Equations And Functions
Section9.6: Graph Quadratic Functions Using Properties
Problem 292E: How can you use the discriminant when you are graphing a quadratic function?
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Question
True or False If the discriminant b2 - 4ac = 0, the graph
of f(x) = ax2 + bx + c, a ≠ 0, will touch the x-axis at its
vertex.
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