AnswersKY-Algebra II CRUnit Test

Graphing Polynomial Functions Answers

0 verified answers2 views
1
Free Preview

Which of the following graphs could be the graph of the function f(x) = x4 + x3 – x2 – x?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
2
Free Preview

Which of the following graphs could be the graph of the function ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
3

Which statement describes the graph of f(x) = 4x7 + 40x6 + 100x5?

A
The graph crosses the x-axis at x = 0 and touches the x-axis at x = 5.
B
The graph touches the x-axis at x = 0 and crosses the x-axis at x = 5.
C
The graph crosses the x-axis at x = 0 and touches the x-axis at x = –5.
D
The graph touches the x-axis at x = 0 and crosses the x-axis at x = –5.
4

Which statement describes the graph of f(x) = –x4 + 3x3 + 10x2?

A
The graph crosses the x-axis at x = 0 and touches the x-axis at x = 5 and x = –2.
B
The graph touches the x-axis at x = 0 and crosses the x-axis at x = 5 and x = –2.
C
The graph crosses the x-axis at x = 0 and touches the x-axis at x = –5 and x = 2.
D
The graph touches the x-axis at x = 0 and crosses the x-axis at x = –5 and x = 2.
5

Which statement describes the graph of f(x) = –4x3 – 28x2 – 32x + 64?

A
The graph crosses the x-axis at x = 4 and touches the x-axis at x = –1.
B
The graph touches the x-axis at x = 4 and crosses the x-axis at x = –1.
C
The graph crosses the x-axis at x = –4 and touches the x-axis at x = 1.
D
The graph touches the x-axis at x = –4 and crosses the x-axis at x = 1.
6

Which graph has the same end behavior as the graph of f(x) = –3x3 – x2 + 1?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
7

A polynomial function has a root of –5 with multiplicity 3, a root of 1 with multiplicity 2, and a root of 3 with multiplicity 7. If the function has a negative leading coefficient and is of even degree, which statement about the graph is true?

A
The graph of the function is positive on (, –5).
Option A
B
The graph of the function is negative on (–5, 3).
C
The graph of the function is positive on (, 1).
Option C
D
The graph of the function is negative on (3, ).
Option D
8

A polynomial function has a root of –4 with multiplicity 4, a root of –1 with multiplicity 3, and a root of 5 with multiplicity 6. If the function has a positive leading coefficient and is of odd degree, which could be the graph of the function?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
9

Which of the following graphs could be the graph of the function ?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
10

What is the end behavior of the graph of the polynomial function f(x) = 3x6 + 30x5 + 75x4?

A
As , and as , .
Option A
B
As , and as , .
Option B
C
As , and as , .
Option C
D
As , and as , .
Option D

Did you find these answers helpful?

More from this Course

Assignment
1 verified answers

Warm-Up