Give the coordinates of the vertex and sketch the graph of the equation.y = x2 + 16x + 64 
A. (0, -8)
B. (0, 8)
C. (8, 0)
D. (-8, 0)
Answer: D
Mathematics
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Describe the level surfaces for the given function.f(x, y, z) = 
A. Ellipsoids B. Hyperboloids of two sheets C. Hyperboloids of one sheet D. Paraboloids
Mathematics
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded below by the parabola 
and above by the line 
, with density 
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics
Translate the percent statement to a basic percent equation.21% of 60 is 12.6.
A. 60 ? 12.6= 0.21 B. 0.21 ? 60 = 12.6 C. 0.21 ? 12.6 = 60 D. 12.6 ? 60 = 0.21
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics