Looking for Algebra worksheets?
Check out our pre-made Algebra worksheets!
 Tweet

##### Browse Questions
• Arts (209)
• English Language Arts (2728)
• English as a Second Language ESL (1352)
• Health and Medicine (398)
• Life Skills (591)
• Math (1430)

• ### Vectors

• #### Trigonometry

• Physical Education (197)
• Science (3589)
• Social Studies (1171)
• Study Skills and Strategies (10)
• Technology (549)
• Vocational Education (648)

You can create printable tests and worksheets from these Grade 11 Complex Numbers questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

Previous Next
Subtract the following complex numbers.
$(-2+4i) - (5-3i)$
1. $-7 + i$
2. $3 + 7i$
3. $-3 + i$
4. $-7 + 7i$
Add. $(5-2i) + 3i$
1. $11$
2. $6 + 15i$
3. $5 + i$
4. $5 - 5i$
$(3+4i) + (-1+3i)$
1. $2 + 7i$
2. $4 + 7i$
3. $-15 + 5i$
4. $2 + i$
Perform the indicated operation.
$(3-5i) - (-3 + 4i)$
1. $i$
2. $6-9i$
3. $6-i$
4. $-9i$
Multiply $-i$ by its conjugate.
1. $-1$
2. $1$
3. $1-i$
4. No conjugate exists
Grade 11 Complex Numbers CCSS: HSN-CN.B.5
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-96)$.
1. $-4isqrt6$
2. $4sqrt6$
3. $4isqrt6$
4. $-4sqrt6$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-75)$.
1. $-5sqrt3$
2. $5sqrt3$
3. $-5isqrt3$
4. $5isqrt3$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number expression $-25i^25$.
1. $-25$
2. $25$
3. $25i$
4. $-25i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-160)$.
1. $-4isqrt10$
2. $-4sqrt10$
3. $4isqrt10$
4. $4sqrt10$
Simplify. $(2-i)/(-3+6i)$
1. $-4/9-1/3i$
2. $-4/15-1/3i$
3. $-4/15-1/5i$
4. $-1/5i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Perform the operation for the complex number radical expression $sqrt(-64)+sqrt(-36)$.
1. $-14i$
2. $14i$
3. $14$
4. $-14$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-1000)$?
1. $10isqrt10$
2. $-10isqrt10$
3. $10sqrt10$
4. $-10sqrt10$
Simplify the radical: $sqrt(-50)$
1. $10isqrt2$
2. $-10isqrt2$
3. $-5isqrt2$
4. $5isqrt2$
5. can not be done
Expand and simplify $(10-12i)(10+12i)$.
1. $100-144i$
2. $244$
3. $244i^2$
4. $244i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the imaginary unit in the following expression: $i^25+i^17$.
1. $sqrt(-1)$
2. $2i$
3. $-2i$
4. $-1$
Find the product: $(7 - 6i)(-8 + 3i)$
1. $-56 + 18i$
2. $-56 - 18i$
3. $-38 + 69i$
4. $-38 - 69i$
5. $29 + 11i$
6. $-29 + 11i$
What is $i^48$?
1. $i$
2. $-1$
3. $-i$
4. $1$