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Common Core Standard HSN-CN.C.7 Questions

Solve quadratic equations with real coefficients that have complex solutions.

You can create printable tests and worksheets from these questions on Common Core standard HSN-CN.C.7! 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
Expand and simplify [math](10-12i)(10+12i)[/math].
  1. [math]100-144i[/math]
  2. [math]244[/math]
  3. [math]244i^2[/math]
  4. [math]244i[/math]
Grade 11 Complex Numbers
Expand and simplify: [math](10-7i)(10+7i)[/math].
  1. [math]149[/math]
  2. [math]-149i[/math]
  3. [math]100 - 49i[/math]
  4. [math]140i^2[/math]
Grade 11 Complex Numbers
Expand and simplify: [math](10-10i)(10+10i)[/math].
  1. [math]0[/math]
  2. [math]100-100i[/math]
  3. [math]200[/math]
  4. [math]-200i[/math]
Grade 11 Complex Numbers
After expanding [math](10-15i)(10+15i)[/math], what will the imaginary part be?
  1. [math]150i[/math]
  2. [math]300i[/math]
  3. [math]-300i[/math]
  4. [math]0[/math]
Grade 11 Complex Numbers
Expand and simplify: [math](5-10i)(5+10i)[/math].
  1. [math]-125[/math]
  2. [math]25 - 100i[/math]
  3. [math]150i[/math]
  4. [math]125[/math]

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