Use De Moivre's theorem to evaluate the expression. Write the result in standard form.
10
A. - 
- 
i
B. - 
+ 
i
C. 
- 
i
D. 
+ 
i
Answer: A
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Find the volume of the solid generated by revolving the shaded region about the given axis.About the x-axis
A. 
?
B. 
?
C. 
?
D. 
?
Simplify the expression. [-4m + (-10m - 6)] - [(10m + (1 - 6m)) + 4m]
A. -14m - 5 B. -6m - 5 C. -22m - 7 D. -14m + 7
Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 150 marbles from the container. Of the 150 marbles drawn, 33 are red.The sample consists of
A. the 33 red marbles drawn by the student. B. the 1000 marbles in the container. C. the 200 red marbles in the container. D. the 150 marbles drawn by the student. E. none of these