Finding Zeros of Polynomials Given One

Finding Zeros of Polynomials Given One

11th Grade

15 Qs

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Finding Zeros of Polynomials Given One

Finding Zeros of Polynomials Given One

Assessment

Quiz

Mathematics

11th Grade

Hard

CCSS
HSA.APR.B.2, HSF-IF.C.7C, HSN.CN.A.3

+2

Standards-aligned

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given one complex zero use the conjugate root theorem to find another.  Zero is 7-5i

-7+5i

7-5i

-7-5i

7+5i

Tags

CCSS.HSN.CN.A.3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find all rational zeros, one zero has been given.
f(x) = x3-3x2-x+3;   3

2,4,3

-1,1,3

3,2,1

4,5,6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

One zero of 3x3-4x2-28x-16 is 4.
What is another zero?

8

-2

6

1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find all the real zeros of the function
f(x) = 2x3 - 19x2 + 38x + 24 given that x-4 is a factor.

x = 1/2, -6

x = -1/2, 6

x = 4, -1/2, 6

x = -4, 1/2, -6

Tags

CCSS.HSA.APR.B.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factor:
 x3-12x2+47x-60=0 when 5 is a root.

(x-3)(x-4)(x-5)=0

(x+1)(x-4)(x-5)=0

(x-3)(x-4)(2x-5)=0

(x-5)(x-4)(x-5)=0

Tags

CCSS.HSA.APR.B.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How could you determine    if x-2 is a factor of 2x³-5x²+x-2?

Use synthetic division and see if the quotient is even

Ask the person sitting next to me

Use synthetic division and see if the remainder is zero

Flip a coin

Tags

CCSS.HSA.APR.D.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find all zeroes given a factor of (x+3). f(x) = 2x3 + 5x2 - 6x - 9

-1,-3,-3

-1,-3,3/2

3,3,3

-3,2/3,-1

Tags

CCSS.HSF-IF.C.7C

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