Mastering the Quadratic Formula

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CCSS.HSA-REI.B.4B

Which of the following is the correct quadratic formula?

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CCSS.HSA-REI.B.4B

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CCSS.HSF-IF.C.7A

• Discriminant = 24, two real and distinct roots

• Discriminant = 0, one real root

• Discriminant = 12, two real and distinct roots

• Discriminant = -12, two complex roots

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

• Opens upwards

• Opens downwards

• Opens to the right

• Opens to the left

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CCSS.HSF-IF.C.7A

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CCSS.HSA-REI.B.4B

Which of the following terms describes the highest or lowest point on the graph of a quadratic function?

• Focus

• Vertex

• Axis

• Directrix

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CCSS.HSF-IF.C.7A

• Two real and distinct roots

• Two complex roots

• One real root (a repeated root)

• No roots

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CCSS.HSA-REI.B.4B