Quadratic Quiz SG

Which of the following is a Quadratic Expression?

• 3x + 4

• x³ + 3

• x² - 4x + 13

• x + 8

Factor: x² - x - 2

• (x - 2)(x + 1)

• (x + 2)(x- 1)

• (x - 1)(x - 2)

• Not Factorable

Which answer is NOT the correct a, b, or c for x² + 4x - 8?

• a = 1

• b = 4

• c = 8

• c = -8

Factor: x² - 10x + 24

• (x - 4)(x - 6)

• (x + 2)(x - 12)

• (x - 8)(x -3)

• Not Factorable

Factor: 64x² - 49

• (8x +7)²

• (8x - 7)²

• (8x + 7)(8x - 7)

• Not Factorable

Which is a Difference of Squares?

• x - 9

• 25x² - 81

• x² - 10x +25

• 4x² + 16

What are the roots of x² - 8x - 20

• (x - 10)(x + 2)

• x = 10 , -2

• x = -10, 2

• x = -4, -5

What is the GCF?

10x² - 10x - 20

• 10x

• 5

• 10

• 2

Factor completely: 10x² - 10x - 20

• (10x+10) (x - 2)

• 10(x +1) (x - 2)

• (10x - 20)(x + 1)

• Not Factorable

What is always the first step when factoring?

• Sum and Product

• Quadratic Formula

• Factor by Grouping

• Look for a GCF