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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
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
Evaluate the complex expression i1400.
  1. -1
  2. 1
  3. √-1
  4. -i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Add and simplify the complex number expression. -60i60-70i180
  1. 130
  2. -130
  3. 130i
  4. -130i
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Simplify the imaginary unit in the following expression. i25+i17
  1. √-1
  2. 2i
  3. -2i
  4. -1
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
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
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Solve. (14+6i)(14-6i)=
  1. 232i
  2. -232i
  3. 232
  4. -232
Grade 11 Complex Numbers CCSS: HSN-CN.A.2
Multiply and solve the following complex number expression. (-16+30i)2
  1. -644+960i
  2. 644+960i
  3. -644-960i
  4. 644-960i
Grade 9 Complex Numbers CCSS: HSN-CN.A.2, HSN-CN.C.8

This question is a part of a group with common instructions. View group »

(5-i)(2+3i)
Grade 9 Complex Numbers CCSS: HSN-CN.A.2

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(3-2i)+(5+4i)
Grade 9 Complex Numbers CCSS: HSN-CN.A.2

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i6
Grade 9 Complex Numbers CCSS: HSN-CN.A.2

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(2i)(-3i)(5i)
Grade 9 Complex Numbers CCSS: HSN-CN.A.2

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17i+2i
Grade 9 Complex Numbers CCSS: HSN-CN.A.2

This question is a part of a group with common instructions. View group »

(6i)(3i)
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