Solving Quadratics with Imaginary Numbers

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What is the definition of an imaginary number?

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An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit 'i', where i is defined as the square root of -1.

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CCSS.HSN.CN.A.1

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What is the square root of a negative number?

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Back

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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Back

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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CCSS.HSN.CN.C.8

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CCSS.HSA-REI.B.4B

Front

What is the square root method in solving quadratics?

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The square root method involves isolating the variable and taking the square root of both sides of the equation, often leading to imaginary solutions.

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CCSS.HSA-REI.B.4B

Front

What is the definition of a complex number?

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CCSS.HSN.CN.A.1

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What is the formula for the quadratic equation?

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CCSS.HSA-REI.B.4B

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What does the discriminant of a quadratic equation tell us?

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CCSS.HSA-REI.B.4B