Substitution for the Quadratic Formula

tip: values without ( ) go into the formula first, values with ( ) go in second.Drag and drop the values of a, b, and c into the quadratic formula for:

e

d

c

b

a

(-9)

6

(7)

7

-9

Tags

CCSS.HSA-REI.B.4B

Given the Quadratic Equation: 2x² + 5x + 3 = 0. Identify the values to use in the Quadratic Formula.

• 2

• 5

• 3

Tags

CCSS.HSA-REI.B.4B

Given the Quadratic Equation: -16t² + 48t + 8 = 0.

Identify the values to use in the Quadratic Formula.

a = ​ ​ ​ (a)  

^{b =} ​ ​ ​ (b)  

c = ​ ​ ​ (c)  

• 16

• -48

• -8

• -16

• 48

• 8

Tags

CCSS.HSA-REI.B.4B

Given the Quadratic Equation: -x² - 7x - 13 = 0. Identify the values to use in the Quadratic Formula.

• -1

• -7

• -13

• 1

• 7

• 13

Tags

CCSS.HSA-REI.B.4B

Fill in the formula =​ = ​ = ​

• -6

• 1

• -40

• -1

• 6

• 40

Tags

CCSS.HSA-REI.B.4B

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

Which shows proper substitution into the Quadratic Formula to solve the equation:

Tags

CCSS.HSA-REI.B.4B

e

d

c

b

a

14

(14)

(1)

-32

1

Tags

CCSS.HSA-REI.B.4B

tip: values without ( ) go into the formula first, values with ( ) go in second.Drag and drop the values of a, b, and c into the quadratic formula for:

e

d

c

b

a

(-11)

(-2)

-15

-2

-11

Tags

CCSS.HSA-REI.B.4B