Algebra II Complex Numbers Unit Test
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Medium
+7
Standards-aligned
Troy Nelson
Used 55+ times
FREE Resource
About this resource
This quiz comprehensively assesses Algebra II complex number operations and concepts, appropriate for 11th grade students. The questions systematically cover the fundamental building blocks of complex number arithmetic: addition, subtraction, multiplication, and division of complex numbers in standard form (a + bi). Students must demonstrate fluency with the imaginary unit i, including its definition as √(-1) and the ability to simplify square roots of negative numbers. The quiz requires mastery of complex conjugates and their applications in rationalizing denominators when dividing complex numbers. Higher-order thinking is assessed through quadratic equations that yield complex solutions, demanding students apply the quadratic formula and interpret discriminants that produce imaginary results. Students need solid algebraic manipulation skills, particularly with distributing binomials and combining like terms, while maintaining precision with positive and negative signs throughout multi-step calculations. Created by Troy Nelson, a Mathematics teacher in US who teaches grade 11. This comprehensive unit test serves as an excellent summative assessment tool to evaluate student mastery of complex number concepts before moving to advanced topics. The quiz functions effectively as a diagnostic pre-assessment to identify knowledge gaps, or as a review activity before state testing or AP preparation. Teachers can assign individual questions as targeted practice for specific skills, use sections as bell-ringers for daily warm-ups, or deploy the entire assessment as a take-home review packet. The varied question formats support differentiated instruction and accommodate multiple learning preferences. This assessment directly aligns with Common Core standards A-REI.4b for solving quadratic equations with complex solutions, A-APR.3 for identifying zeros of polynomials and their multiplicities, and N-CN.1 through N-CN.3 for understanding and performing operations with complex numbers, making it an invaluable resource for standards-based instruction and data-driven teaching decisions.
See more
Student preview
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
i(2+5i)
Tags
CCSS.HSA.APR.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2+3i)(4-2i)
Tags
CCSS.HSA.APR.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is equivalent to
(5-3i)+(-6+2i)?
-1-5i
-1-i
11-i
-30-6i
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which of the following is equivalent to (3-5i)-(6+2i)
Tags
CCSS.HSA.APR.D.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify √-4
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify √-81
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify √-28
Tags
CCSS.HSN.CN.A.1
CCSS.HSN.CN.A.2
CCSS.HSN.RN.A.2
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
Popular Resources on Wayground
7 questions
History of Valentine's Day
Interactive video
•
4th Grade
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
15 questions
Valentine's Day Trivia
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
Discover more resources for Mathematics
10 questions
Factor Quadratic Expressions with Various Coefficients
Quiz
•
9th - 12th Grade
10 questions
Evaluating Piecewise Functions Practice
Quiz
•
11th Grade
5 questions
Triangle Congruence Theorems
Interactive video
•
9th - 12th Grade
15 questions
Exponential Growth and Decay Word Problems Practice
Quiz
•
9th - 12th Grade
21 questions
Converting between Logs and Exponents
Quiz
•
11th Grade
20 questions
Classifying polynomials
Quiz
•
11th Grade
20 questions
special right triangles
Quiz
•
9th - 12th Grade
20 questions
Interpreting Scatter Plots
Quiz
•
8th - 12th Grade