Factoring Polynomials and Zeros

Factoring Polynomials and Zeros

9th Grade

7 Qs

quiz-placeholder

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Factoring Polynomials and Zeros

Factoring Polynomials and Zeros

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Barbara White

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Give the correct linear factors of:
f(x)=x4+5x2-36

(x+2)(x-2)(x+3i)(x-3i)
(x2-4)(x2+9)
(x+3)(x-3)(x+2i)(x-2i)
(x2+4)(x2-9)

Tags

CCSS.HSA.APR.B.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Give the correct linear factors of:
f(x)=x4-16

(x+2)(x-2)(x+2i)(x-2i)
(x2-4)(x2+4)
(x-2)(x+2)(x2+4)
(x+2)2(x-2)2

Tags

CCSS.HSA.APR.B.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What are the zeros of the function?

x = 3

x = {-3, -1, 2}

x = {-3, 2}

x = -1

Tags

CCSS.HSA.APR.B.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What are the zeros of the function?

4,1
3,1,-2,-5
-3, -1, 2, 5
-2,4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the polynomial that the degree of 4 and has zeros: x = 4i, 1, 2 

(x+4i)(x-4i)(x-1)(x+2)
(x-4i)2(x-1)(x+2)
(x+4i)(x-4i)(x+1)(x-2)
(x+4i)2(x+1)(x-2)

Tags

CCSS.HSA.APR.B.3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write x3 + 9x2 + 18x in factored form

x(x + 6)(x + 3)

x(x + 9)(x + 2)

x(x + 6)

x(x - 6)(x - 3)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the zeros of the function. State the multiplicity of multiple zeros.

3x3 - 3x

1, 2, 3; multiplicity of 1

-1, 0, 1; multiplicity of 1

-1, 0, 1; multiplicity of 3

-1, 1; multiplicity of 1

Tags

CCSS.HSF-IF.C.7C

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