11.1 & 11.2 quiz review - mellinamathclass.com€¦ · 11.1 & 11.2 quiz review for numbers...

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11.1&11.2QuizReviewFornumbers1-3:Plotthefollowingpointswhosepolarcoordinatesaregiven.Converttorectangularcoordinates.Giveanswersinsimplestradicalform.1. 2, # 2. 3,− <9

= 3. −5, 135° Fornumbers4-7:Converttherectangularcoordinatestopolar,graphthepolarcoordinate,andgivethetwootherrepresentationsofthepolarcoordinate,onewithapositiverandonewithanegativer.4. −1, 1 inradians 5. 0, 4 inradians6. 5,− 15 indegrees 7. −2 3,−2 indegrees

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Fornumbers8&9:Converttherectangularequationtopolarform8. /# + 2# = 2/ 9. 2 = 9Fornumbers10&11:Convertthepolarequationtorectangularform.10. 5 1 + cos 9 = 2 11. 5 = 3 sin 9Fornumbers12&13:Graphthefollowingpolarequations.12. 5 = −4 sin 9 13. 5 = 3 cos 29

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Fornumbers14-19:Expresseachcomplexnumberinpolarform:14. 3+3i 15. 6–8i 16. -2i17. -3+4i 18. 2–2i 19. 3Fornumbers20-25:Expresseachcomplexnumberinrectangularform:20. 3<=> 9' 21. 2<=> '9> 22. 2<=> <9' 23. 4<=> 9> 24. 2<=>3 25. >

# <=>360°

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Fornumbers26&27:Grapheachnumberinthecomplexplaneandfinditsabsolutevalue.26. -2–3i 27. 3+4i