(11/16) ALG 2 Unit 3 Graphing Polynomials Day 2 Lesson

(11/16) ALG 2 Unit 3 Graphing Polynomials Day 2 Lesson

Multiple Choice

Enlarge the picture to see question & then select the correct answer!!

• A

• B

• C

• D

Multiple Choice

State the Degree and Leading Coefficient, given this graph.

• Even Degree

  Negative Leading Coeff.

• Even Degree

  Positive Leading Coeff.

• Odd Degree

  Negative Leading Coeff.

• Odd Degree

  Positive Leading Coeff.

WHAT'S NEXT??

For homework tonight, answer the 3 questions located on today content on e-class!! Also complete the ALL questions on the test review!! It was posted on e-class last week!! Your test will be on Wednesday!!!

Multiple Choice

Which of the following could be the equation of this graph in factored form? (Careful-pay attention to multiplicity.)

• f(x) = (x-4)(x-1)²(x+2)(x+4)
• f(x) = (x-4)(x+1)²(x+2)(x+4)
• f(x) = (x-4)(x-1)²(x-2)(x+4)
• f(x) = (x+4)(x+1)²(x-2)(x-4)

Multiple Choice

What is the interval of decrease of this function?

• (-∞,∞)

• (-∞, 1)

• (-∞, 0)

• None

Multiple Choice

What are the intervals of increase of the function?

• (-1.3, -0.4) U (0.7, ∞)

• (-∞, -5) U (0.5, 2)

• (-5, .5) U (2, ∞)

• None

Multiple Choice

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and x→∞, y→⁻∞
• x → ∞, y→ ∞ and x→⁻∞, y→∞
• x → ∞, y→ ∞ and x→⁻∞, y→ 0
• x → ∞,y→ ∞and x→ ⁻∞, y→ ⁻∞

Multiple Choice

What is the end-behavior of the function

y = -x³ + 6x² + 7x

• as x-> -∞ f(x) -> ∞

  as x-> ∞ f(x) -> -∞

• as x-> -∞ f(x) -> ∞

  as x-> ∞ f(x) -> ∞

• as x->-∞ f(x) -> -∞

  as x-> ∞ f(x) -> ∞

• as x-> -∞ f(x) -> -∞

  as x-> ∞ f(x) -> -∞