Unit 3 Test Study Guide

Unit 3 Test Study Guide

11th Grade

19 Qs

quiz-placeholder

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Unit 3 Test Study Guide

Unit 3 Test Study Guide

Assessment

Quiz

Mathematics

11th Grade

Hard

CCSS
HSA.APR.B.3, HSA.APR.C.4, HSA.APR.B.2

+3

Standards-aligned

Created by

Joedi Barnes

Used 14+ times

FREE Resource

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A polynomial equation has zeros at x = ±1 and x = 2i. What is the minimum degree of the polynomial equation? (assuming all coefficients are real)

4

3

2

1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Consider the graph of

 f(x)=2x4+4x35x25x+6f\left(x\right)=2x^4+4x^3-5x^2-5x+6  shown. How many zeros of the function must be imaginary?

0

1

2

3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write the polynomial function of least degree that has zeros of x = 2 and x = 3i. (assume all coefficients must be real)

f(x)=x32x2+9x18f\left(x\right)=x^3-2x^2+9x-18

f(x)=x3+2x2+9x+18f\left(x\right)=x^3+2x^2+9x+18

f(x)=x23ix2x6f\left(x\right)=x^2-3ix-2x-6

f(x)=x26x6f\left(x\right)=x^2-6x-6

Tags

CCSS.HSA.APR.B.3

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which polynomial function graphed below has at least 4 imaginary zeros?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which of the below could be a correct polynomial function for the graph shown at the right based on it zeros?

(assume all coefficients must be real)

f(x)=(x+1)(x+4)(x+4)f\left(x\right)=\left(x+1\right)\left(x+4\right)\left(x+4\right)

f(x)=(x+1)(x+1)(x+4)f\left(x\right)=\left(x+1\right)\left(x+1\right)\left(x+4\right)

f(x)=(x1)(x4)(x4)f\left(x\right)=\left(x-1\right)\left(x-4\right)\left(x-4\right)

f(x)=(x1)(x1)(x4)f\left(x\right)=\left(x-1\right)\left(x-1\right)\left(x-4\right)

Tags

CCSS.HSA.APR.B.3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The polynomial function h(x) at the right has one of its zeros at x = i.


Which of the below could be a correct polynomial function for the graph shown at the right based on it zeros?

(assume all coefficients must be real)

h(x)=(xi)(x+3)h\left(x\right)=\left(x-i\right)\left(x+3\right)

h(x)=(xi)(x+i)(x+3)h\left(x\right)=\left(x-i\right)\left(x+i\right)\left(x+3\right)

h(x)=(x+i)(x3)h\left(x\right)=\left(x+i\right)\left(x-3\right)

h(x)=(xi)(x+i)(x3)h\left(x\right)=\left(x-i\right)\left(x+i\right)\left(x-3\right)

Tags

CCSS.HSA.APR.B.3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which polynomial function graphed below that has a real zero of multiplicity 2?

Media Image
Media Image
Media Image
Media Image

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