Quadratic Formula Solving

Solve the following quadratic equation.

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

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Tags

CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

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CCSS.HSA-REI.B.4B

Solve by using a method of your choice:

k² − 12k + 23 = 0

• {6 + √13, 6 - √13}

• {-6 + √13, -6 - √13}

• {6 + √59, 6 - √59}

• {-6 + √59, -6 - √59}

Tags

CCSS.HSA-REI.B.4B

• A
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Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B