A1.F.IF.C.8.a
Rewrite quadratic functions to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a real-world context.
Example Problems
Convert to vertex form.
Convert to vertex form.
Convert to vertex form.
Khan Academy ResourcesCompleting the square reviewCompleting the square (intermediate)Completing the squareCompleting the square (intro)Worked example: completing the square (leading coefficient ≠ 1)Completing the squareWorked example: Rewriting & solving equations by completing the squareWorked example: Rewriting expressions by completing the square

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