Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with x-intercepts ±6; foci at (-3, 0) and (3, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
You might also like to view...
Solve the problem.The radius of a right circular cone is given by the formula 
, where V is the volume and h is the height. If the volume is 1761 cubic inches and the height is 11 inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 0.1 in. B. 12.4 in. C. 7.1 in. D. 12.9 in.
Determine whether the graph is the graph of a function.
A. Yes B. No
Simplify the expression.
A. 20
B. 8
C. 8
D. 24
For the given equation, state whether the directrix is vertical or horizontal and give its location in relation to the pole.r = 
A. Vertical, 16 units to the right of the pole
B. Vertical, 
units to the left of the pole
C. Vertical, 
units to the right of the pole
D. Vertical, 
units to the left of the pole