Determine the symmetries of the curve.r2 = -9 cos 4?
A. x-axis, y-axis, origin
B. No symmetry
C. x-axis only
D. Origin only
Answer: A
Mathematics
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Solve the problem.Find the volume of the solid bounded by the paraboloid 
+ 
= 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab)
A. 
units3
B. 
? units3
C. 27? units3
D. 
?2 units3
Mathematics
Factor the trinomial completely.2x4 - 24x3 + 70x2
A. x2(x - 7)(2x - 10) B. x2(2x - 14)(x - 5) C. 2(x2 - 7)(x2 - 5) D. 2x2(x - 7)(x - 5)
Mathematics
Rationalize the denominator. 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Round your answer to the nearest tenth. -10.5q + 1.2 = -109.2 - 1.3q
A. 10.6 B. 10.5 C. 12 D. -120
Mathematics