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The Imaginary Unit, i (Grade 9)

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The Imaginary Unit, i

Instructions: Simply the following complex numbers.

1. 
[math]i^6[/math]



2. 
[math]sqrt(-16)[/math]



3. 
[math]sqrt(-8)[/math]



4. 
[math]sqrt(-25/9)[/math]



5. 
[math]sqrt(-81x^4)[/math]



6. 
[math]17i + 2i[/math]



7. 
[math](5 - i)(2 + 3i)[/math]



8. 
[math](3 - 2i) + (5 + 4i)[/math]



9. 
[math](6i)(3i)[/math]



10. 
[math](2i)(-3i)(5i)[/math]



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