The Quadratic Formula

• a = 2 , b = 3, c = -5

• a = 2, b = -3, c = 5

• a = 2, b = -3, c = -5

• a = -2, b = 3, c = 5

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• Square root

• Quadratic formula

• X-intercepts

• Discriminant 

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CCSS.HSA.REI.B.4

• x = 7 and -2

• x = 7 and 2

• x = -7 and -2

• x = -7 and 2

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CCSS.HSA.REI.B.4

Solutions of a quadratic equation are also called

• roots

• x-intercepts

• zeros

• All of the above

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If there are no real solutions, the discriminant is

• zero

• a postive number

• a negative number

• a perfect square

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CCSS.HSA.REI.B.4

If there is one solution, the discriminant is . . .

• zero

• a postive number

• a negative number

• a perfect square

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CCSS.HSA.REI.B.4

• No real solution

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Solve using the quadratic formula :

x² - 7x + 12 = 0

• x = 3, -4

• x = -3, 4

• x = 3, 4

• x = -3, -4

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CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

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CCSS.HSA.REI.B.4

Make a true statement about about Graph A

The discriminant is ​ (a)  

There will be ​ (b)  

• zero
• one real solution
• positive
• negative
• two complex solutions
• two real solutions

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CCSS.HSA.REI.B.4