Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).5
- 5i
A. 10( cos 300° + i sin 300°)
B. 10( cos 60° + i sin 60°)
C. 10( cos 330° + i sin 330°)
D. 10( cos 30° + i sin 30°)
Answer: C
Mathematics
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Solve for the percentage in the problem. Round to the nearest tenth of a percent. % of 61 clients is 682 clients.
A. 0.1 B. 0.9 C. 1118.0 D. 111.8
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Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.85x + 3.07 B. y = 0.75x + 4.07 C. y = 0.75x + 5.07 D. y = 0.95x + 3.07
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Solve the polynomial equation graphically or numerically. Round to the nearest hundredth if necessary.6x3 + 25x2 + 12x - 7 = 0
A. - 1, - 
, 
B. - 1, 
, 
C. - 
, - 
, 
D. 
, 
, - 
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Convert to a logarithmic equation.52 = 25
A. 2 = log25 5 B. 5 = log2 25 C. 25 = log5 2 D. 2 = log5 25
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