##### Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.

See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

# Operations on Complex Numbers - Practice #2 (Grades 11-12)

Print Test (Only the test content will print)

## Operations on Complex Numbers - Practice #2

1.
Add. $(5-2i) + 3i$
1. $11$
2. $6 + 15i$
3. $5 + i$
4. $5 - 5i$
2.
Subtract. $(-3 + 2i) - (-4 - 8i)$
1. $-7 - 6i$
2. $1 + 10i$
3. $1 - 6i$
4. $7+ 10i$
3.
Perform the operation for the complex number radical expression $sqrt(-64)+sqrt(-36)$.
1. $-14i$
2. $14i$
3. $14$
4. $-14$
4.
Evaluate. $i^29 + 1/i^29$
1. 0
2. 1
3. -1
4. 2
5.
Find the product. $5i(-i)$
1. $-5$
2. $5$
3. $-5i$
4. $5i$
5. $1$
6.
Multiply and simplify the complex numbers in the following expression. $(-3+2i)(-6-8i)$
1. $-34-12i$
2. $34+12i$
3. $34-12i$
4. $-34+12i$
7.
Expand and simplify. $(5-10i)(5+10i)$
1. $-125$
2. $25 - 100i$
3. $150i$
4. $125$
8.
Find the quotient. $6/(-4i)$
1. $-3i$
2. $3i$
3. $(-2i)/3$
4. $(2i)/3$
5. $(3i)/2$
6. $(-3i)/2$
9.
Divide and simplify the following complex number expression. $(4-9i)/(-6i)$
1. $-3/2+2/3i$
2. $3/2+2/3i$
3. $-3/2-2/3i$
4. $3/3-2/3i$
10.
Simplify. $(2-i)/(-3+6i)$
1. $-4/9-1/3i$
2. $-4/15-1/3i$
3. $-4/15-1/5i$
4. $-1/5i$
You need to be a HelpTeaching.com member to access free printables.