10.30 Friday A2 Unit 4 Quiz

What is the degree of the polynomial function
P(x)=3x⁴-7x²-2x⁷-x+4?

• 4

• 7

• 2

• 1

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

Tags

CCSS.HSA.APR.B.3

• The end behavior of the graph is x →∞, y→∞ and x→∞, y→⁻∞

• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→∞

• The end behavior of the graph is x →∞, y→∞ and x→⁻∞, y→∞

• The end behavior of the graph is The end behavior of the graph is x →∞,y→⁻∞ and x→∞, y→⁻∞

Tags

CCSS.HSA.REI.D.10

Does this function have an absolute maximum?

• Yes 

• No

Tags

CCSS.HSA.REI.D.10

Does this graph have an absolute minimum?

• Yes

• No

Tags

CCSS.HSA.REI.D.10

What is the end-behavior of the function  $f\left(x\right)=-x^3+2x^2-x-4$  ?

•  $\lim_{x\rightarrow-\infty}f\left(x\right)=-\infty\ and\ \lim_{x\rightarrow\infty}f\left(x\right)=-\infty$  

•  $\lim_{x\rightarrow-\infty}f\left(x\right)=\infty\ and\ \lim_{x\rightarrow\infty}f\left(x\right)=-\infty$  

•  $\lim_{x\rightarrow-\infty}f\left(x\right)=-\infty\ and\ \lim_{x\rightarrow\infty}f\left(x\right)=\infty$  

•  $\lim_{x\rightarrow-\infty}f\left(x\right)=\infty\ and\ \lim_{x\rightarrow\infty}f\left(x\right)=\infty$  

Identify the zeros of the function and their corresponding multiplicities for the function  $f\left(x\right)=-\left(x-4\right)^2\left(x+1\right)^3\left(x-2\right)$  .

• x = 4 (mult = 2)
  x = -1 (mult = 3)
  x = 2 (mult = 1)

• x = -4 (mult = 2)
  x = 1 (mult = 3)
  x = -2 (mult = 1)

• x = -4 (mult = 1)
  x = 1 (mult = 1)
  x = -2 (mult = 1)

• x = 2 (mult = 4)
  x = -3 (mult = 1)
  x = 1 (mult = 2)

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Identify the zeros of the function and their corresponding multiplicities  $f\left(x\right)=x\left(x+1\right)\left(x-2\right)^5$  .

• x = 1 (mult = 1)
  x = -2 (mult = 5)

• x = 0 (mult = 1)
  x = 1 (mult = 1)
  x = -2 (mult = 5)

• x = 0 (mult = 1)
  x = -1 (mult = 1)
  x = 2 (mult = 5)

• x = -1 (mult = 1)
  x = 2 (mult = 5)

Identify the type of function:  $f\left(x\right)=-3+2x-7x^2+x^3$  

• Linear

• Quadratic

• Cubic

• Constant

Identify the type of function:  $f\left(x\right)=5x^4-12x^3+2x^2-x+6$  

• Quintic

• Quartic

• Cubic

• Linear