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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 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. $-14$
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 complex number radical expression $sqrt(-1000)$?
1. $10isqrt10$
2. $-10isqrt10$
3. $10sqrt10$
4. $-10sqrt10$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression $sqrt(-350)$
1. $-5sqrt14$
2. $-5isqrt14$
3. $5isqrt14$
4. $5sqrt14$
Expand and simplify: $(10-7i)(10+7i)$.
1. $149$
2. $-149i$
3. $100 - 49i$
4. $140i^2$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply and simplify the complex numbers in the following expression: $(-3+2i)(-6-8i)$.
1. $-34-12i$
2. $34+12i$
3. $34-12i$
4. $-34+12i$
Expand and simplify: $(10-10i)(10+10i)$.
1. $0$
2. $100-100i$
3. $200$
4. $-200i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply and simplify the complex numbers: $-6i(70-85i)$.
1. $510+420i$
2. $510-420i$
3. $-510+420i$
4. $-510-420i$
After expanding $(10-15i)(10+15i)$, what will the imaginary part be?
1. $150i$
2. $300i$
3. $-300i$
4. $0$
What is the complex conjugate of $-250+81i$ ?
1. $-250-81i$
2. $250-81i$
3. $-250+81i$
4. $250+81i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Expand and simplify: $(5-10i)(5+10i)$.
1. $-125$
2. $25 - 100i$
3. $150i$
4. $125$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
What is the complex conjugate of $20-6i$?
1. $20-6i$
2. $-20+6i$
3. $20+6i$
4. $-20-6i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Evaluate the complex number expression $(15i^40)^3$.
1. $3375$
2. $-3375$
3. $3375i$
4. $-3375i$
Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is $sqrt800 + sqrt(-50)$
1. $20sqrt2+25i$
2. $sqrt800+50i$
3. $20sqrt2 +5isqrt2$
4. $25isqrt2$
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