9-3 Review

9.3 Review
Simplify:
i6 + i13 + i75 + i44
Simplify:
(-6 + 5i) + (11 - 2i)
(-6 + 5i) - (11 - 2i)
(-6 + 5i) • (11 - 2i)
-6 + 5i
11 - 2i
-8 + 2
2 - 2i
If z = 3 + 2i, find z ! z
Convert to polar form:
z = -1 - 3 i
Convert to polar form:
Convert to rectangular form:
z = 4(cos 210° + i sin 210°)
z = -2 + 2i
Convert to rectangular form:
w = 6(cos 7! + i sin 7! )
4
4
z = 4(cos 210° + i sin 210°)
w = 6(cos 7! + i sin 7! )
4
4
Find zw (leave answer in polar form):
Find
z
(leave answer in polar form):
w
z = -1 - 3 i
w = -2 + 2i
Find zw (leave answer in polar form):
Find
z
(leave answer in polar form):
w
w =[ 2 (cos5! + i sin 5! )]6
16
16
Express the answer in a + bi form
Find the complex fourth roots of
-8 + 8i 3
Give answers in a + bi form
Find [3(cos 80° + i sin 80°)]3
Express the answer in a + bi form
Write ( 3 - i)6 in a + bi form
Solve the equation: x6 = 64
Give answers in a + bi form