CW on Section 2.4: Solving quadratics with Complex solutions

Front

What is the Quadratic Formula?

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CCSS.HSA-REI.B.4B

Front

What does it mean if a quadratic equation has complex solutions?

Back

Complex solutions occur when the discriminant (b^2 - 4ac) is negative, indicating that the parabola does not intersect the x-axis.

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CCSS.HSN.CN.C.7

CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Front

Back

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Front

Back

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Front

What is the discriminant in a quadratic equation?

Back

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CCSS.HSA-REI.B.4B

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What does a positive discriminant indicate?

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A positive discriminant indicates that the quadratic equation has two distinct real solutions.

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CCSS.HSA-REI.B.4B

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What does a zero discriminant indicate?

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A zero discriminant indicates that the quadratic equation has exactly one real solution (a repeated root).

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CCSS.HSA-REI.B.4B

Front

What does a negative discriminant indicate?

Back

A negative discriminant indicates that the quadratic equation has two complex solutions.

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CCSS.HSA-REI.B.4B

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Back

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CCSS.HSN.CN.C.7

CCSS.HSA-REI.B.4B