Polar Form Of Complex Numbers Worksheet With Answer Key - Openstax College Page 17
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25OpenStax-CNX module: m49408
17
10.3 Graphical
For the following exercises, plot the complex number in the complex plane.
Exercise 65
2 + 4i
Exercise 66
(Solution on p. 19.)
3
3i
Exercise 67
5
4i
Exercise 68
(Solution on p. 20.)
1
5i
Exercise 69
3 + 2i
Exercise 70
(Solution on p. 21.)
2i
Exercise 71
4
Exercise 72
(Solution on p. 22.)
6
2i
Exercise 73
2 + i
Exercise 74
(Solution on p. 23.)
1
4i
10.4 Technology
For the following exercises, nd all answers rounded to the nearest hundredth.
Exercise 75
5 + 5i
Use the rectangular to polar feature on the graphing calculator to change
to polar form.
Exercise 76
(Solution on p. 24.)
3
2i
Use the rectangular to polar feature on the graphing calculator to change
to polar form.
Exercise 77
3
8i
Use the rectangular to polar feature on the graphing calculator to change
to polar form.
Exercise 78
(Solution on p. 24.)
4cis (120 )
Use the polar to rectangular feature on the graphing calculator to change
to rectangular
form.
Exercise 79
2cis (45 )
Use the polar to rectangular feature on the graphing calculator to change
to rectangular
form.
Exercise 80
(Solution on p. 24.)
5cis (210 )
Use the polar to rectangular feature on the graphing calculator to change
to rectangular
form.
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