Quadratic Review

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Tags

CCSS.HSF-IF.C.7A

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CCSS.HSF-IF.C.7A

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Tags

CCSS.HSA-REI.B.4B

The vertex form of f(x) = x² - 4x + 9 is f(x) = (x + h)² - k, where h = ______ and k = _______.

• h = 2 & k = 1

• h = 4 & k = 1

• h = 2 & k = 5

• h = 4 & k = 5

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

• x = 0.5

• x = 1.5

• x = 1

• x = 8

• x = 6

• -1 and 3
• 1 and -3
• -1 and -3
• 1 and 3

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

What are the solutions for this quadratic equation?

• -4 and 0

• 4 and 0

• -2 and 4

• -2 and -4

f(x) = (a)   x² + ​​ (b)   x + ​ ​ (c)  

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• b

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• x

Tags

CCSS.HSA-REI.B.4B