Solving Quadratic Equations by Quadratic Formula

Solve using the Quadratic Formula:

2x² − x − 3 = 0

Solve the following quadratic equation using Quadratic Formula

2x² - 3x - 5 = 0

• x = -1

  x = 5/2

• x = 5

  x = 2

• x = -1/2

  x = 5

• x = 1/2

  x = -5/2

• No solution

Solve using the Quadratic Formula:

2x² + 2x − 12 = 0

• x = −2, 3

• x = 2, 3

• x = 2, −3

• x = −2, −3

Determine the values of

a, b, and c:

4x² – 8x – 3 = 0

• a = 4, b = -8, c = 3

• a = 4, b = -8, c = -3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Solve:
 -2x² + 4x = 9

• (2 - i√14)/2   ,  (2 + i√14)/2

• (2 - i√-56)/2   ,  (2 + i√-56)/2

• (2 - i√-14)/2   ,  (2 + i√-14)/2

• (2 - √14)/2   ,  (2 + √14)/2

Mathematical Equivalence

ON

Mathematical Equivalence

ON