Polynomial Graphs

What is the degree of the function graphed here?

• 6
• 4
• 3
• 5

Tags

CCSS.HSA.REI.D.10

What degree is the function?

• 1
• 2
• 4
• 10

Tags

CCSS.HSA.APR.B.3

Which function is graphed?

• y = (x - 4)(x + 2)(x - 8)

• y = (x - 4)(x - 2)(x + 8)

• y = (x - 4)(x + 2)(x + 8)

• y = (x + 4)(x + 2)(x + 8)

What is the equation in factored form of this graph?

• 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)

Which root is a double root?

• -1

• 2

• 4

• -4

Tags

CCSS.HSA.APR.B.3

For  $y=\left(x-5\right)^2\left(x+2\right)^2$  , what are the roots?   (2 answers)

•  $x=5$  

•  $x=2$  

•  $x=-2$  

•  $x=0$  

Tags

CCSS.HSF-IF.C.7C

Which of the following is NOT a root of  $y=\left(x-4\right)^2\left(x-2\right)\left(x-3\right)$  ?

•  $x=-4$  

•  $x=4$  

•  $x=2$  

•  $x=3$  

Tags

CCSS.HSF-IF.C.7C

Which root is a triple root?

• -1

• 2

• 4

• -4

What is the equation of the line?

• y = x²(x + 4)(x + 2)³

• y = x(x + 4)(x + 2)³

• y = x²(x - 4)(x - 2)³

• y = (x + 4)(x + 2)³

Looking at a polynomial graph, how do you know a root is a DOUBLE ROOT?

• It "bounces off" of the x-axis

• It is an x-intercept

• It is a y-intercept

• It "bounces off" of the y-axis