Solve the equation. Express radicals in simplest form.x2 = 9 - 4x
A. {-2 + 2
, -2 - 2
}
B. {-1 + 
, -1 - 
}
C. {-2 + 
, -2 - 
}
D. {2 + 
}
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 3x3, below by x-axis, and on the right by the line x = 1, about the line y = - 1
A. 
?
B. 
?
C. 
?
D. 
?
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If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 
feet, s = 16 feet, ? = ?
A. 
radians
B. 40 radians
C. 40°
D. 
°
Mathematics
If the given sequence is a geometric sequence, find the common ratio.
, 
, 
, 
A. not a geometric sequence
B. 
C. 3
D. 3
Mathematics