Simplify.
? 
A. 2
B. 
C. 
D. 4
Answer: A
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Find the length of the curve.The curve r = 5 sin3 
, 0 ? ? ? 
A. 
(5? - 8)
B. 
(2? - 3
)
C. 
(5? - 9
)
D. 
(3
- ?)
Solve the problem.Find the volume of the solid that is generated by revolving the area bounded by 
and 
about the x-axis.
A. 
? ln (2)
B. 
? ln (2)
C. 
? ln (11)
D. 
? ln (11)
Write the decimal as a percent.0.011
A. 0.0011% B. 11% C. 1.1% D. 0.11%
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.x2 + xy + y2 - 3y - 6 = 0
A. ? = 45°
y'2 = -18x'
parabola
vertex at (0, 0)
focus at (- 
, 0)
B. ? = 45°
- 
= 1
hyperbola
center at (0, 0)
transverse axis is the x'-axis
vertices at (±
, 0)
C. ? = 45°
+ 
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±2)
D. ? = 45°
+ 
= 1
ellipse
center at (
, 
)
major axis is y'-axis
vertices at (
, - 
) and (
, 
)