Quadratic Formula HW

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

Solve 2x² + 7x - 15 = 0

• -3/2 or 5

• No Solution

• -5 or 3/2

• 0.7 or 5

If the discriminant equals 0, then the quadratic has:

• 1 Solution

• 2 Real Solutions

• No solutions

• 2 Imaginary Solutions

• 1 Real Solution, and an Imaginary Solution named Harvey.

Solve using quadratic formula

y = 2x² - 9x + 5

• -8.14 and -6.14

• 4.07 and 3.07

• 3.85 and 0.65

• ZERO solutions

Solve using quadratic formula

8x² - 6x + 1 = 0

• No Solution

• 0 or 1

• -1/2 or -1/4

• 1/4 or 1/2

Solve using quadratic formula

2x² + 7x - 15 = 0

• -1.5 or 5

• No Solution

• -5 or 1.5

• 0.7 or 5

Factor and Solve

6x² + 17x + 12 = 0

• x = -4/3, x = -3/2

• x = 9, x = 8

• x = 4, x = 3

• x = -4, x = -3

Factor and Solve

2x² - 3x - 2 = 0

• x = 1, x = -1

• x = -1/2, x = 2

• x = 1/2, x = 2

• x = 1/2, x = 1

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4
• -4 & 10
• -8 & 4
• 8 & -4