Algebra 2 - Final Exam Review (Unit 1-2)

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What is a radical equation?

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A radical equation is an equation in which a variable is contained within a radical (square root, cube root, etc.).

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What is the equation of the parabolic piece of the function on the interval [−8, −2)?

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What does it mean to check your solution in a radical equation?

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It means substituting the solution back into the original equation to verify that it satisfies the equation.

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What is the parent function of a quadratic equation?

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It reflects the graph of the function across the x-axis.

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

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The vertex is the highest or lowest point of the parabola, depending on its orientation.