Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Answer: C
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Factor the polynomial completely. If the polynomial cannot be factored, write "prime."x2 + 5xy - 14y2
A. (x - 7y)(x + y) B. (x - 7y)(x + 2y) C. (x + 7y)(x - 2y) D. prime
Graph the equation. Identify the coordinates of the vertex.y = -x2 + 2x + 3
A. (1, 4) B. (- 1, - 4) C. (- 1, 4) D. (1, - 4)
Find the slope of the line and sketch its graph.y - 1 = 0 
A. slope = 1
B. slope = 0
C. slope = 1
D. slope is undefined
Solve.A newspaper carrier has $6.80 in change. He has two more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have?
A. 14 quarters, 16 dimes, 42 nickels B. 42 quarters, 40 dimes, 14 nickels C. 16 quarters, 14 dimes, 48 nickels D. 14 quarters, 12 dimes, 42 nickels