Quadratic Formula

What is this formula?

• This is the speed of light formula.

• This is the quadratic formula.

• This is the zero product property.

• This is scary.

Tags

CCSS.HSA-REI.B.4B

In a quadratic equation, if the value of the discriminant > 0, how many solutions does the equation have?

• 0

• 1

• 2

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0

• 1

• 2

• More than 2

Tags

CCSS.HSA-REI.B.4B

Fill in the formula x^2-6x-40=0 ​ BLUE=​ (a)   RED= ​ (b)   GREEN= ​ (c)  

• -6

• 1

• -40

• -1

• 6

• 40

Tags

CCSS.HSA-REI.B.4B

j

h

d

b

-2a

b^2

-b

b^2+4ac

4ac-b^2

b^2-4ac

2a

a^2

-b^2-4ac

Tags

CCSS.HSA-REI.B.4B

• no solution

• no real numbers

• 7

• -8

• 11

• 19.29

• 4.39

• 0.56

• 0.16

Tags

CCSS.HSA-REI.B.4B

g

h

i

-1

7

2

-4

1

6

4

5

-5

-6

Tags

CCSS.HSA-REI.B.4B

Fill in quadratic formula

j

h

d

-2a

-b^2-4ac

b^2

b

a^2

b^2-4ac

2a

b^2+4ac

4ac-b^2

-b

Tags

CCSS.HSA-REI.B.4B

g

h

i

6

189

-167

9

7

-198

265

12

-7

-49

Tags

CCSS.HSA-REI.B.4B