Cumulative Review-1st Semester Algebra 2

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What is a system of equations?

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A set of two or more equations with the same variables. Solutions are the points where the equations intersect.

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How do you solve a system of equations graphically?

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By plotting the equations on a graph and identifying the points of intersection.

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What is vertex form of a quadratic equation?

Back

Front

How do you convert a quadratic equation to vertex form?

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By completing the square on the quadratic expression.

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What does it mean to factor a polynomial?

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To express the polynomial as a product of its factors.

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What is the process of completing the square?

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What is the discriminant of a quadratic equation?

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Front

What does a negative discriminant indicate?

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It indicates that the quadratic equation has 2 complex solutions.

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What is the standard form of a quadratic equation?

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How do you identify the roots of a quadratic equation?

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