Review of Polynomials

What does multiplicity of a zero mean?

• Look at the number of terms

• How many times the zero repeats

• Find the sum of all the coefficients

• Ratio your x and y

Tags

CCSS.HSF-IF.C.7C

• A
• B
• C
• D

Which of the following could be the equation of the graph shown?

• f(x) = x² + 3x

• f(x)=x³ + 6x² + 9x

• f(x) = x² - 3x

• f(x)=x³ - 6x² + 9x

Tags

CCSS.HSA.APR.B.3

Find all zeros:
f(x)=(x-3)(3x+1)(x+1)

• 3, -1/3, -1

• -3, 1/3, 1

• -3, -1/3, 1

• 3, 1/3, -1

Tags

CCSS.HSF-IF.C.7C

Which of the following is a polynomial?

If (x + 1) and (x + 3) are two factors of x³ - x² - 17x - 15, find the other one.

Tags

CCSS.HSA.APR.B.2

Determine the end behavior of the graph of 
f(x) = 3x⁴ + 2x - 5

• 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) →-∞.

Determine the end behavior of the graph of 
f(x) = -7x³ + 2x - 1

• 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) →-∞.

Describe the end behavior of the graph.

• x → ∞, y→ ∞ and
  x→ ∞, y→⁻∞

• x → ∞, y→ ∞ and
  x→⁻∞, y→∞

• None of these

• x →∞,y→⁻∞ and
  x→∞, y→⁻∞

Tags

CCSS.HSF-IF.C.7A

Classify by number of terms:
3x² – 8x + 1

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial