1. True or False: The imaginary part of the complex number 2 + 3i is i.
2. Perform the indicated operations.
7i – ( –1 + 2i)
A) 1 + 9i
B) 7 + i
C) 1 + 5i
D) 1 – 5i
3. Perform the indicated operations.
(8 + 2i) – (1 – 7i)
A) 7 – 9i
B) 9 + 9i
C) 7 + 9i
D) 7 – 5i
4. Write the expression using radical notation.
The negative square root of 49.
5. Use the properties of exponents to simplify the expression. Assume all variables represent positive real numbers.
(27x9y15)1/3
6. Evaluate using a calculator. Round the answer to three decimal places.
102/3
7. Perform the indicated operations.
(1 – 10i) – ( 3 + 2i) + (2 + 13i)
8. Perform the indicated operations.
(7 + 2i) + (10 –7i)
9. Find the product. Write your answer in standard form.
(6 + 2i)(8 – i)