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Example 3

Which of the following quadratic functions has a vertex with a larger -value: , or as presented in the table?
  1. Verify for each function whether the vertex is a minimum or maximum.
  2. Find the vertex for each function.
  3. Determine which vertex has a larger -value.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.