Complex Numbers in Rectangular, Polar Form
Algebra 2 · Flashcards
ALGEBRA 2 · FLASHCARDS
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QUESTION
Find the modulus
∣
z
∣
|z|
∣
z
∣
for
z
=
3
+
4
i
z=3+4i
z
=
3
+
4
i
.
QUESTION
What is the polar form of the imaginary number
4
i
4i
4
i
using a principal argument?
QUESTION
Identify the correct principal angle for
z
=
−
1
+
i
z=-1+i
z
=
−
1
+
i
in polar form.
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ANSWER
3
π
4
\frac{3\pi}{4}
4
3
π
. Quadrant II with equal components gives angle
3
π
4
\frac{3\pi}{4}
4
3
π
.
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