Test: Complex Numbers I - Ambitious

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Question 1:   Solve: ( 7+5i )( 2+3i )
12+8i
7
52i
5+2i
Question 2:   Solve: ( 2+3i )( 3+4i )
612i
6+17i
4+17i
212i
Question 3:   Simplify: i 13
1
i
1
i
Question 4:   Simplify: ( 34i ) 2
916i
2524i
724i
i
Question 5:   Simplify: (2 - 5i)(2 + 5i)
425i
4+25i
29
16
Question 6:   Simplify: i 27
i
1
1
i
Question 7:   Simplify: 43i 2
2 3 2 i
23i
1
22i
Question 8:   Simplify: 85i 7+4i
36 65 1 2 65 i
17 28 2 4 67 i
1 2 7 +1 1 15 i
1 1 6 1 1 32 i
Question 9:   Simplify: 23i 4+5i
2 15 + 1 17 i
23 41 2 41 i
7 25 + 2 43 i
13 67 + 2 35 i
Question 10:   Simplify: ( 1+2i )( 35i ) 68i
27 43 47i 59
1+ 12i 49
7 10 +1 1 10 i
33 47 + 45i 57