Classify the following as the equation of a parabola, a circle, an ellipse, or a hyperbola.16x2 = 16y2 + 256
A. Hyperbola
B. Circle
C. Ellipse
D. Parabola
Answer: A
Mathematics
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Graph the function.y = 4 tan 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Arches in the shapes of parabolas are often used in construction. Find the equation of a parabolic arc that is 26 feet high at its highest point and 30 feet wide at the base, as illustrated in the figure. Place the origin at the midpoint of the base.
A. y = -x2 + 30
B. y = -x2 + 26
C. y = - 
x2 + 26
D. y = 
x2 + 26
Mathematics
Write the equation in standard form for an ellipse or a hyperbola centered at (h, k).4x2 + 10y2 - 40 = 0
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Find the centroid of the region.
A. 
= 
, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Mathematics