CH4 test 2nd 9 wks. 2024-25

The polynomial function g(x) is a cubic binomial in which as x→−∞, y →−∞ and as x→∞, y →∞ g(x) has a y-intercept at (0,−7).
Which of the following expressions could represent g(x)?

• g(x) = x^3 - 7
• g(x) = -x^3 - 7
• g(x) = x^3 + 5

• g(x) = -2x^3 - 7

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.A.2

For which of the following polynomial equations is 2 a zero?

Responses

Tags

CCSS.HSF-IF.C.7C

The concentration of caffeine in a persons bloodstream, C, in milligrams, can be modeled by the function C(x)=−x4+5x3−x2+5x, where x is the amount of time that has passed since the caffeine was ingested.
Which of the following statements are true? Select all that apply.

Responses

• The zeros of C(x) are x=0,5,±i.

• The zeros of C(x) are x=0,−5.

• The zeros of C(x) are x=0,5,1,−1.

• The zeros of C(x) represent the time it takes for the concentration of the caffeine in the bloodstream to be 0.

• The zeros of C(x) that do not make sense in terms of the context are x=i and x=−i.

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.1

Consider the graph of the following polynomial function:

Which of the following equations models the graph?

Tags

CCSS.HSA.APR.B.3

• -7

• -1

• 1

• 7

• 3

Tags

CCSS.HSF-IF.C.7C

• f(x) is a quartic polynomial.

• f(x) is an even function.

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

For which of the following polynomial equations is 5 a zero? Select all that apply.

• h(x) = x^2 - 10x + 25

• g(x) = x^2 + 6x + 9

• f (x) =x^3 - 15x + 50

Tags

CCSS.HSF-IF.C.7C

• The zeros are −2, −1, and 1.

• When x>2, the f(x)>0.

• When −2<x<−1, f(x)<0
  

• The factors of f(x) are (x+1), (x+2), and (x−2).

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Consider the graph of the polynomial function below. Select all that applies on the graph shown.

• The degree of the polynomial is four.

• The leading coefficient is positive

• The polynomial has 4 zeros.

• The leading coefficient is negative.

• The graph shows an odd function.

Tags

CCSS.HSA.APR.B.3

Which graph represents the polynomial function?

• 
• 
• 
• 

Tags

CCSS.HSA.APR.B.3