Convert from rectangular to polar coordinates. (-4, 4)
Convert Rectangular Coordinate into Polar Complex

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(4√2, π/4)
(4√2, 3π/4)
(4√2, -π/4)
(-4√2, -7π/4)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert the rectangular coordinates to polar form
(√8 , 7π/6)
(4 , 3π/4)
(√8 , π/6)
(8 , 7π/6)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert the rectangular point into polar form:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find r
x=12
y=5
12
12.5
13
15
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A complex number is represented by a point in the complex plane. The complex number has the rectangular coordinates (-3, 3). Which of the following is one way to express the complex number using its polar coordinates (r, θ)?
(A) (3√2 cos(π/4) + i(3√2 sin(π/4)))
(B) (3cos(π/4) + i(3sin(π/4)))
(C) (3√2 cos(3π/4) + i(3√2 sin(3π/4))
(D) (3cos(3π/4) + i(3sin(3π/4))
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convert the point (−3, −3) from rectangular to polar form.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A complex number is represented by a point in the complex plane. The complex number has the rectangular coordinates (1/2, -√3/2). Which of the following is one way to express the complex number using its polar coordinates (r, θ)?
(cos(-π/6) + i(sin(-π/6))
(cos(π/6) + i(sin(π/6))
(cos(5π/3) + i(sin(5π/3))
(2cos(5π/3) + i(2sin(5π/3))
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