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Common Core Standard HSN-CN.A.2 Questions

Use the relation i2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.

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Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Subtract the complex numbers. 3i-(-5+3i)
  1. 5
  2. -5-6i
  3. 5+6i
  4. -5
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Evaluate. i29+1i29
  1. 0
  2. 1
  3. -1
  4. 2
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
What is i202?
  1. i
  2. -1
  3. -i
  4. 1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Evaluate. (5-6i)-(-3+9i)
  1. 2+3i
  2. 2-3i
  3. 8-15i
  4. 8+3i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify completely. i16
  1. 1
  2. -i
  3. -1
  4. i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
What is i48?
  1. i
  2. -1
  3. -i
  4. 1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply the complex numbers. Leave in the form a+bi.

(8-2i)(3i)
  1. 24-6i
  2. -6+24i
  3. 6+24i
  4. 24+6i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify. i39
  1. i3
  2. i9
  3. -i
  4. -1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply and write the result in standard form.
4i(3i-2)
  1. -12i-8
  2. 12+8i
  3. -12-8i
  4. 12i+8
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify: 8i6+6i5-5i3-3i2-7i-9
  1. -14+4i
  2. -4+4i
  3. -10i
  4. -14-18i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Add. 3i+(-5+2i)
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the complex number radical expression for √-441.
  1. -21
  2. 21
  3. 21i
  4. -21i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Perform the indicated operation and write the answer in standard form.

(3-4i)2
  1. -7-24i
  2. 25
  3. 9-16i
  4. 25-24i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Evaluate fully.
(8-3i)(3+2i)
  1. 30-7i
  2. 18-25i
  3. -6i2+7i+24
  4. 30+7i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Add. (17-i)+(-2-14i)
Grade 10 Complex Numbers CCSS: HSN-CN.A.2
Write (3+2i)-(4-3i) in standard form.
  1. -1+5i
  2. -1-i
  3. 7-i
  4. 7+5i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify. i26
  1. i2
  2. i
  3. 1
  4. -1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Add the following complex numbers.
(3+4i)+(-1+3i)
  1. 2+7i
  2. 4+7i
  3. -15+5i
  4. 2+i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply. (-2+3i)(8+5i)
Grade 10 Complex Numbers CCSS: HSN-CN.A.2
Simplify problem to discover product of (2-i)(4+5i) in standard form.
  1. 13-6i
  2. 8+i
  3. 3+6i
  4. 13+6i
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