Perform the indicated operation. Write the result in the form a + bi.(
- 
i) + (
+ 
i)
A. 3 - 2i
B. - 1 + 2i
C. 1 + i
D. 4 - 3i
Answer: D
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Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-4, 0)
A. 
B. 
C. (4, ?)
D. (4, 0)
Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction.F = 3xi + 2xj + 7zk; C: the cap cut from the upper hemisphere x2 + y2 + z2 = 16 
by the cylinder 
A. 4? B. 3? C. 8? D. 2?
Fill in the blank with one of the words or phrases listed below.
Fractions that have the same denominator are called 
fractions.
A. like B. simplest form C. equivalent D. undefined
Solve the problem.If an amount of money, called the principal, P, is deposited into an account that earns interest at a rate r, compounded annually, then in two years that investment will grow to an amount A, given by the formula 
If a principal amount of $5500 grows to $6415.20 in two years, what is the interest rate?
A. 6% B. 10% C. 9% D. 8%