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Common Core Standard HSN-CN.A.1 Questions

Know there is a complex number i such that i2 = –1, and every complex number has the form a + bi with a and b real.

You can create printable tests and worksheets from these questions on Common Core standard HSN-CN.A.1! 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.

Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is [math]sqrt800 + sqrt(-50)[/math]
  1. [math]20sqrt2+25i[/math]
  2. [math]sqrt800+50i [/math]
  3. [math]20sqrt2 +5isqrt2[/math]
  4. [math]25isqrt2[/math]
Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is [math]25 + sqrt(-75)[/math]
  1. [math]25+25i sqrt3[/math]
  2. [math]25+5isqrt3 [/math]
  3. [math]5+75i[/math]
  4. [math]5+15i[/math]
Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is [math]sqrt(-81)[/math]
  1. [math]81+i[/math]
  2. [math]81i[/math]
  3. [math]9i[/math]
  4. [math]-9i[/math]
Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is [math]sqrt 25 + sqrt(-25)[/math]
  1. [math]5i-5[/math]
  2. [math]25+5i[/math]
  3. [math]25i[/math]
  4. [math]5+5i[/math]
Grade 11 Complex Numbers CCSS: HSN-CN.A.1
What is [math]sqrt(-4)[/math]
  1. [math]2i[/math]
  2. [math]4i[/math]
  3. [math]4+i[/math]
  4. [math]16i[/math]

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