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Identifying Zeros of Polynomials

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Identifying Zeros of Polynomials
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12 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the correct statement about the zeros.

−5 is a zero with multiplicity 1

−5 is a zero with multiplicity 2

−2 is a zero with multiplicity 1

2 is a zero with multiplicity 2

Tags

CCSS.HSF-IF.C.7C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the incorrect statement

This function passes through the x-axis at 3

This function touches and turns around at −4

This function passes through the x-axis at −2

This function passes through the x-axis at 1

Tags

CCSS.HSA.APR.B.3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many zeros does the polynomial function
 P(x) = 3x4+4x-8 have?

1

2

3

4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A
B
C
D

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 3x3 + 2x2 - 6x + 7

±1, ±7, ±1/3, ±7/3

±1, 7

±1, ±3, ±7, ±7/3

±1, ±3, ±7, ±1/3, ±7/3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by using Rational Root Theorem: 
x3 + 3x2 - 6x - 8 = 0

 -4, -1, 2

-4, -1, ±√2

1, 2, 4

4,-1,√2

Tags

CCSS.HSF-IF.C.7C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The polynomial
f(x) = 5x4 + 2x3 + 2x − 7 can have, at most, how many solutions?

5

4

3

2

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