Solving Quadratic Equation

Solve by factoring:

x² + x – 6 = 0

What number do we need to factor?

• 1

• -1

• -6

• 6

Solve by factoring:

x² + x – 6 = 0

What factor of (-6) do we need?

• -1, 6

• 1, -6

• 2, -3

• -2, 3

Solve by factoring:

x² + x – 6 = 0

Which is the correct factor?

• (x - 3)(x + 2)

• (x + 3)(x - 2)

• (x + 1)(x - 6)

• (x - 1)(x + 6)

Solve by factoring:

x² + x – 6 = 0

Answer:

• x = -2

• x = 2

• x = 3

• x = -3

Solve by factoring:

x² – 5x + 6 = 0

What number do we need to factor?

• 1

• -5

• 6

Solve by factoring:

x² – 5x + 6 = 0

What are the factors of 6?

• 1 and 6

• -1 and 6

• 1 and -6

• -2 and -3

• 2 and -3

Solve by factoring:

x² – 5x + 6 = 0

What is the factor of the equation?

• (x + 1)(x - 6) = 0

• (x - 1)(x - 6) = 0

• (x - 2)(x - 3) = 0

• (x + 2)(x - 3) = 0

Solve by factoring:

x² – 5x + 6 = 0

What is the solution?

• x = 1 or x = 6

• x = -1 or x = -6

• x = -2 or x = -3

• x = 2 or x = 3

Factoring the following expression:

2x² + 9x + 4

What number do we need to factor?

• 4

• 8

• 9

• 2

Factoring the following expression:

2x² + 9x + 4 = 0

What factor of 4 do we need?

• 1, 8

• -1, -8

• 2, 4

• -2, -4