Describe all symmetries of the figure shown.
A. 4 lines of symmetry
B. 2 lines of symmetry
C. 2 lines of symmetry, 180° rotation symmetry
D. 4 lines of symmetry, 90° rotation symmetry
Answer: C
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 6
A. 216? B. 432? C. 36? D. 108?
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 5
A. 50?
B. 75?
C. 
?
D. 
?
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 6
, y2 = -6
B. y1 = 6
, y2 = -6
C. y1 = 5
, y2 = -5
D. y1 = 6
, y2 = -6
Add. Do not use a number line except as a check.-2.4 + (-7.1)
A. 9.5 B. -9.5 C. -4.7 D. 4.7