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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 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
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Which of the following is equal to i3?
  1. -i
  2. i2
  3. 1
  4. -1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
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
Multiply. (3-4i)(2+2i)
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify. i46
  1. i4
  2. i3
  3. -1
  4. 1
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Perform the indicated operation.
(3-5i)-(-3+4i)
  1. i
  2. 6-9i
  3. 6-i
  4. -9i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply. (9i)(3-2i)
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Which of the following is equal to (3i+2)(3-i)?
  1. 3+7i
  2. 9i2-2i
  3. 5+2i
  4. 9+7i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Add. (5-2i)+3i
  1. 11
  2. 6+15i
  3. 5+i
  4. 5-5i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Find the sum of the complex numbers. i+6i
  1. 6i
  2. -6
  3. 5i
  4. 5
  5. 7i
  6. -7
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Find the product. 4i(2-8i)
  1. 4i
  2. 0
  3. -32+8i
  4. 32+8i
  5. -4i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Subtract. 4i-(8+4i)
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