The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).xy = 1
A. r2 sin 2? = 2
B. r sin 2? = 2
C. 2r2 sin ? cos ? = 1
D. 2r sin ? cos ? = 1
Answer: A
Mathematics
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Find the area of the specified region.Shared by the circles r = 4 cos ? and r = 4 sin ?
A. 2(? - 2)
B. 2(2 - 
)
C. 4?
D. 
(4? - 3
)
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Use the graph to determine where the function is discontinuous. Select the correct answer.
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Find the slope of the line passing through the two given points.(3.2, -2.6) and (6.6, 4)
A. -1.94 B. 0.52 C. 1.94 D. -0.52
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Subtract.
- 
A. 
B. 1
C. - 
D. 1
Mathematics