Solve the equation by completing the square.x2 + 
x + 
= 0
A. {- 
, - 
}
B. {
, 
}
C. {
, - 
}
D. {- 
, 
}
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 2csc x, y = 2
, 
? x ? 
A. 4?2 + 8? B. ?2 + 4? C. 4?2 - 8? D. 2?2 - 4?
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Solve the problem.Find the volume that remains after a hole of radius 1 is bored through the center of a solid sphere of radius 2. Round to the nearest tenth.
A. 6.9 B. 5.4 C. 65.3 D. 21.8
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
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Solve the equation for y.6x - 9y = 1
A. y = 6x - 1
B. y = 
x + 
C. y = 
x - 
D. y = 
x + 
Mathematics