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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.

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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
Subtract the following complex numbers.
$(-2+4i) - (5-3i)$
1. $-7 + i$
2. $3 + 7i$
3. $-3 + i$
4. $-7 + 7i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Grade 11 Complex Numbers CCSS: HSN-CN.B.5
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 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 $sqrt(-75)$.
1. $-5sqrt3$
2. $5sqrt3$
3. $-5isqrt3$
4. $5isqrt3$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-160)$.
1. $-4isqrt10$
2. $-4sqrt10$
3. $4isqrt10$
4. $4sqrt10$
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. $-14$
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
Simplify the complex number radical expression $sqrt(-1000)$?
1. $10isqrt10$
2. $-10isqrt10$
3. $10sqrt10$
4. $-10sqrt10$
What is $i^202 ?$
1. $i$
2. $-1$
3. $-i$
4. $1$
Expand and simplify $(10-12i)(10+12i)$.
1. $100-144i$
2. $244$
3. $244i^2$
4. $244i$
What is $i^48$?
1. $i$
2. $-1$
3. $-i$
4. $1$
Simplify the complex number radical expression $sqrt(-350)$
1. $-5sqrt14$
2. $-5isqrt14$
3. $5isqrt14$
4. $5sqrt14$