Alg 2 Fall Final 23.24

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How do you subtract complex numbers?

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To subtract complex numbers, subtract the real parts and the imaginary parts separately. For example, for (-8 + 9i) - (10 - 3i), the result is -18 + 12i.

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The interval notation is (-∞, 8).

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How do you solve a system of equations using elimination?

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To solve by elimination, manipulate the equations to eliminate one variable. For example, for the system -x + y = -13 and -8x - 4y = -8, the solution is (5, -8).

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What does the transformation 'up 4, stretched 3, reflected down, and left 1' mean for a quadratic function?

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What is the standard form of a quadratic equation?

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How do you find the vertex of a quadratic function?

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What is the discriminant of a quadratic equation and what does it indicate?

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What is the difference between a function and a relation?

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A function is a specific type of relation where each input has exactly one output.

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What is the quadratic formula?

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