(10/18) 2.4 Zeros of Polynomial Functions

(10/18) 2.4 Zeros of Polynomial Functions

​Pre-Calculus
Fall 2023
Mr. Akre

Multiple Choice

Using the graph provided, identify the zeros of the function.

(Click on graph to make it BIGGER)

• x = 1

• x = -2 & x = 1

• x = -2, x = 0, & x = 1

• x = 0

Multiple Choice

Write a polynomial function of least degree in standard form given the following zeros/roots/solutions:
Multiplicity is the power on that factor!!
(Example: -2 Mult. 3 means $$\left(x+2\right)^3$$  )

• A

• B

• C

• D

Multiple Choice

Write the cubic polynomial in factored form with 
zeros -1, 1, and 4

• (x + 1) (x - 1) (x - 4)
• x³ - 4x² - x + 4
• (x + 1) (x - 1) (x + 4)
• x³ - 4x² - x - 4

Multiple Choice

Find the zeros of the function and graph.
y=(x + 2)(x - 3)(3x - 5)

• x=-2, x=3, x=5/3
• x=2, x=-3, x=-3/5
• x=2, x=-3, x=5/3
• x=-2, x=3, x=5

Multiple Choice

Find the root(s) of the function.

• x = 3
• x = {-3, -1, 2}
• x = {-3, 2}
• x = -1

Multiple Choice

How many roots or zeros does the equation

$$f(x)=5x^4-8x^3+4x^2-6x+3$$ have?

• 3

• 4

• 5

• 0