Algebra II Practice Test - CA Standard 5.0 and 6.0 Students Name: _______________________ Date: ________ Row: ______ Period: _____ Simplify
: (5 points each)
- 20 =
-7 ⋅ 7 =
(9 + 2i ) +(1 −7i ) =
(7i ) 2 =
3(-2 +i) - 4(3 - 2i) =
- 4i(-2 +i) =
(10 points each) (−4 +i )( 8 +5i ) =
i ( −2 +5i ) ⋅ i (1 +3i ) =
(2 - 4i)
=
2
5 = 3 + 4i
5 +i = 5 −i
Bonus(5pts
)
Bonus(10pt
s)
Plot the 5-6i
i4 =
following
( 4 −i 5 )( 4 −i 5 ) =
complex
numbers
and find their magnitude -5-2i
(absolute
value) (10 points each) 2i( 1 −3i)