Quadratics and Complex Numbers

What is the Factored Form for the table and graph shown?

• y = x² + 4x + 3

• y = (x + 2)² -1

• y = (x +3) (x +1)

What is the domain of the table and graph shown?

• ( - ∞ , ∞ )

• [ -3 , 5 ]

• [ -9 , ∞ )

• Fred

What is the range of the function shown?

• ( -∞ , ∞ )

• ( -1 , 7)

• [ -1 , ∞ )

• George

What is the Vertex of the function shown?

• (0, -8)

• (-2 , -1)

• (3, -5)

• (2, 0)

(3x² + 4x + 5) + (7x² + 14x + 8)

• 10x² + 14x + 5

• 8x² + 18x + 13

• 3x² + 4x + 8

• 10x² + 18x + 13

Solve using the quadratic formula :

x² - 7x + 12 = 0

• x = 3, -4

• x = -3, 4

• x = 3, 4

• x = -3, -4

Q1. What is the value of x?

• 10

• -10

• 10i

• -10i

• 5i
• -5i
• 5+i
• -5

(3i)(-2+4i)

• -6+12i

• -12-6i

• -2+7i

• 12+6i

Simplify
(-6 - 2i)²

• 32

• 36-4i

• 36+24i

• 32+24i