Solving Using the Quadratic Formula

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

Solve    2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3
• x = 6 and x = -2
• x = -1 and x = -3

Tags

CCSS.HSA-REI.B.4B

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

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve: n² = 9n - 20

• n = 4, -5
• n = -4, 5
• n  = -4, -5
• n  = 4, 5

Tags

CCSS.HSA-REI.B.4B

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

Solve using the Quadratic Formula

2x² + 7x − 15 = 0

• x = −1.5, 5

• No Solution

• x = −5, 1.5

• x = 0.7, 5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula

x² + 4x − 40 = −8

• x = −10, −4

• x = −4, 10

• x = −8, 4

• x = 8, −4

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:

2x² − x − 3 = 0

• x = −3/2, 1

• x = 3/2, −1

• x = −3/2, & −1

• x = 3/2, 1

Tags

CCSS.HSA-REI.B.4B