Solve by Completing the Square Practice

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What does it mean to 'complete the square'?

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Completing the square is a method used to solve quadratic equations by rewriting the equation in the form of a perfect square trinomial, allowing for easier solutions.

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What is the standard form of a quadratic equation?

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Front

What is the significance of the vertex in a quadratic function?

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The vertex represents the highest or lowest point of the parabola, depending on the direction it opens, and is crucial for graphing the function.

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What is the relationship between the discriminant and the number of solutions of a quadratic equation?

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The correct first step is to subtract 21 from both sides, not add.