Complete the square to find the vertex of a parabola

The video tutorial explains the process of completing the square for quadratic equations. It begins with grouping terms and factoring to ensure the leading coefficient is one. The instructor then demonstrates how to create a perfect square trinomial by adding and subtracting the same value, emphasizing the importance of maintaining equation balance. The tutorial concludes by converting the equation into vertex form, highlighting its usefulness in identifying the vertex and axis of symmetry.

What is the vertex form of a quadratic equation and why is it useful?

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What is the vertex of the quadratic equation discussed in the lesson?

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