Equivalent quadratic expressions
Partial pictures
Each figure below presents the graph of a quadratic
function. Because of the choice of scale for the graph, some of the
special points (vertex, points of intersection with the axes) appear
in the picture, others do not.
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Use the information provided by each graph to find the quadratic function
it represents. Construct a correspondence rule.
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Use the correspondence rule you have constructed to find
the special points of the function that do not appear in the graph.
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Construct new correspondence rules for the functions, which will emphasize
the information about the hidden points that you have found.
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