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31 questions
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- 1. Multiple Choice
Where is point B located?
2 + i
-3
2i
-1 - i
- 2. Multiple Choice
Where is point C located?
2 + i
-3
2i
-1 - i
- 3. Multiple Choice
Where is point A located?
2 + i
-3
2i
-1 - i
- 4. Multiple Choice
(3 + 2i) + (4 - 5i)
7 + 7i
1 - 3i
1 - 7i
7 - 3i
- 5. Multiple Choice
(4 - 2i) - (3 + 6i)
7 - 4i
1 + 4i
1 - 8i
7 - 8i
- 6. Multiple Choice
(-7 + 9i) + (2 - 10i)
-5 + i
-5 - i
-9 + 1
9 - i
- 7. Multiple ChoiceChoose the correct answer for the operation pictured.7-13i7-i1-13i1-i
- 8. Multiple Choice
What does i2 equal?
-1
√-1
1
-√1
- 9. Multiple Choice
The expression (2 + 3i)2 is equal to
-5
-5 + 12i
13
13 + 12i
- 10. Multiple ChoiceThe expression (2 + 3i)2 is equal to-5-5 + 12i1313 + 12i
- 11. Multiple Choice
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
- 12. Multiple Choice
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
- 13. Multiple Choice
Simplify
(-10+6i)/17
(1+50i)/61
(-23+36i)/25
(-21+33i)/34
- 14. Multiple Choice
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
- 15. Multiple Choice
(-5 + 10i)(-5 - 10i) = 125
True
False
- 16. Multiple Choice
(-5 + 10i)(-5 - 10i) = 125
True
False
- 17. Multiple ChoiceSimplify i23i-11-i
- 18. Multiple ChoiceFind the absolute value of the complex number. Also state what quadrant the point would land in.
2 + 3i√13, Quadrant 1√5, Quadrant 1√11, Quadrant 2√11, Quadrant 3 - 19. Multiple Choice
Find the modulus of the complex number. Also state what quadrant the point would land in.
-3 + i
√10, Quadrant 2
√10, Quadrant 3
2, Quadrant 2
3, Quadrant 3
- 20. Multiple ChoiceExpress the complex number in polar form.
-2 + 5i5.39 ( cos 1.95 + i sin 1.95)5.39 ( cos 65.06 + i sin 65.06)2.65 ( cos 1.95 - i sin 1.95 )2.65 ( cos 65. 06 - i sin 65.06 ) - 21. Multiple ChoiceExpress the complex number in polar form.
6 + 2i6.32 ( cos 0.32 + i sin 0.32)6.32 ( cos 0.45 + i sin 0.45)1.73 ( cos 0.32 + i sin 0.32)1.73 ( cos 0.45 - i sin 0.45) - 22. Multiple ChoiceWhat quadrant would the point in polar form land in?
4 ( cos π /3 + i sin π /3)Quadrant 4Quadrant 1Quadrant 2Quadrant 3 - 23. Multiple ChoiceExpress the point in polar form in rectangular form.
4 ( cos π /3 + i sin π /3)2 + 2√3 i2 + √3 i2 - 2√3 i-2 + 2√3 i - 24. Multiple Choice
Express this complex number in rectangular form.
4 ( cos π /3 + i sin π /3)
2 + 2√3 i
2 + √3 i
2 - 2√3 i
-2 + 2√3 i
- 25. Multiple ChoiceExpress the complex number in polar form.
6 + 2i6.32 ( cos 0.32 + i sin 0.32)6.32 ( cos 0.45 + i sin 0.45)1.73 ( cos 0.32 + i sin 0.32)1.73 ( cos 0.45 - i sin 0.45) - 26. Multiple ChoiceWhat quadrant would the point in polar form land in?
4 ( cos π /3 + i sin π /3)Quadrant 4Quadrant 1Quadrant 2Quadrant 3 - 27. Multiple ChoiceWrite the complex number in polar form3 ( cos 3π/2 + i sin 3π/2)3 ( cos π/2 + i sin π/2)9 ( cos 3π/2 + i sin 3π/2)3 ( cos 2π + i 2π)
- 28. Multiple Choice
- 29. Multiple Choice
A
B
C
D
- 30. Multiple Choice
1
-1
- 31. Open Ended
Change to polar form
- Answer choicesTagsAnswer choicesTags