Polynomials Preassessment

Zeros
f(x)=(x+4)(x-3)(x-2)
List the zeros for this function.

• x=-4, x=3, x=-2

• x=-4, x=3, x=2

• x=-4, x=3, x=2

• x=4, x=3, x=2

Zeros
How many zeros does the polynomial function
 P(x) = 3x⁴+4x-8 have?

• 1

• 2

• 3

• 4

Graphing polynomials

• a

• b

• c

• d

Creating Polynomials
Select polynomial whose zeros and degree are given.
Zeros: – 5(multiplicity of 3), 9(multiplicity of 2), – 2, 4 Degree: 7

• (x + 5)³(x - 9)²(x + 2)(x - 4)

• (x + 5)³(x - 9)²(x + 2)⁷(x - 4)⁷

• (x + 5)³(x - 9)²(x + 2)

• (x + 5)(x - 9)(x + 2)(x - 4)

• F

• G

• H

• J

Which expression is equivalent to (x - 2)(3x² + 2x - 4)

• 3x²- 4x + 8

• 3x³ + 4x² - 8x - 8

• 3x³- 4x²- 8x + 8

• 3x³- x²+ 8x + 8

Which expression is equivalent to (3x - 5) ( 4x² - 2x - 3)

• 12x³ - 26x² - 25x + 15

• 12x³ - 20x² - 5x + 15

• 12x³ - 20x² - 6x + 15

• 12x³ - 26x² + x + 15

Which expression is equivalent to 5x(x + 3)(2x - 1)?

• 10x² + 25x - 15

• 10x³ +35x² + 15

• 10x³ - 20x²

• 10x³ + 25x² - 15x

Which expression is equivalent to 5(3x+2)? (a)  

• 3x+10

• 15x+10

• 15x-10

• 3x-10

Which expression is equivalent to 2x (-2x - 3)?

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6