Determine the maximum or minimum value of a quadratic function by completing the square.
Example Problems
Find the vertex of the quadratic function:
Find the vertex of the quadratic function:
Find the vertex of the quadratic function:
Khan Academy ResourcesSolving quadratics by completing the squareCompleting the square reviewCompleting the square (intermediate)Completing the squareSolve equations by completing the squareCompleting the square (intro)Strategy in solving quadraticsWorked example: completing the square (leading coefficient ≠ 1)Completing the squareWorked example: Completing the square (intro)Solving quadratics by completing the square: no solutionFinding the vertex of a parabola in standard formSolve by completing the square: Non-integer solutionsSolve by completing the square: Integer solutionsWorked example: Rewriting & solving equations by completing the squareWorked example: Rewriting expressions by completing the square
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