Quadratic Formula

Identify the 'a' value in the equation

0 = 16x² - 8x - 24

• 16

• 8

• -8

• -24

Identify the values of A, B, and C ----------BE CAREFUL!

3m² - 14 = 11m

• A=3, B=-11, C=-14

• A=3, B=-14, C=11

• A=3, B=11, C=-14

• A=3, B=-14, C=11

In the equation 0 = 2x² - x - 3,

b² would equal:

• 2

• -1

• 1

• -3

In the equation 0 = 2x² - x - 3,

4ac would equal:

• -12

• 8

• -24

• -1

The quadratic equation, when solved, generates two answers. 

• True
• False

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12 = 0.

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve using the quadratic formula.

2x² - 9x - 35 = 0

• x = 7/2, x = -6

• x = -5/2, x =5

• x = -3/7, x =6

• x = -5/2, x = 7

For the equation 0 = 2x² - x - 3,

b² - 4ac would equal:

• 25

• -23

• -25

• 0

Solve using the quadratic formula.

• A

• B

• C

• D

For the following quadratic equation, what is the value of b ?

5x² - 11 = 0

• 5

• 0

• 11

• -11

• 1

Tags

CCSS.HSA.REI.B.4