Solving Quadratics by Square Roots

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What is a quadratic equation?

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What does it mean to solve a quadratic equation by square roots?

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Solving a quadratic equation by square roots involves isolating the squared term and then taking the square root of both sides to find the variable's values.

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CCSS.HSA-REI.B.4B

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What is the square root property?

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CCSS.HSA-REI.B.4B

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m = 5, -5

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CCSS.HSA-REI.B.4B

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b = 3, -3

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CCSS.8.EE.A.2

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x = 5, -5

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CCSS.8.EE.A.2

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k = 7, -7

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CCSS.8.EE.A.2

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CCSS.HSA-REI.B.4B

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x = 3, -3

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CCSS.8.EE.A.2

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What does it mean if a quadratic equation has no real solution?

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It means that the equation's discriminant is less than zero, indicating that the roots are complex numbers.

Tags

CCSS.HSA-REI.B.4B