Express Complex Number In Polar And Rectangular Form Worksheet
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4CHAPTER 6.5; EXPRESS COMPLEX NUMBER IN POLAR AND RECTANGULAR FORM.
NAME:_______________________________________________________ PER. _______ DATE: ______________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Find the absolute value of the complex number.
1) z = -3 + 6i;
A) 3i
B) 3
C)
D) 3i
2) z = -15 + 4i;
A) i
B) i
C)
D)
Write the complex number in polar form. Express the argument in degrees.
3) 2i
A) 2(cos 180° + i sin 180°)
B) 2(cos 0° + i sin 0°); C) 2(cos 90° + i sin 90°)
D) 2(cos 270° + i sin 270°)
4) 3 - 4i
A) 5(cos 126.9° + i sin 126.9°)
B) 5(cos 306.9° + i sin 306.9°); C) 5(cos 53.1° + i sin 53.1°) D) 5(cos 233.1° + i sin 233.1°)
Write the complex number in polar form. Express the argument in radians.
5) 2 - 2i
A) 2
B) 2
; C) 2
D) 2
) - 5
- 5i
6
A) 5
B) 10
; C) 10
D) 5
7) - 5 + 5
i
A) 5
B) 10
; C) 5
D) 10
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