1.
Find the coordinates of the center of an ellipse with equation
9
x
2
+ 4
y
2
- 72
x
+ 16
y
+ 124 = 0.
A.
(4, 9)
B.
(4, -2)
C.
(4, 2)
D.
(2, 3)
Hint
2.
Find the length of the major axis of an ellipse with equation
9
x
2
+
y
2
+ 36
x
- 6
y
+ 36 = 0.
A.
2
B.
6
C.
9
D.
1
Hint
3.
Which is the graph of 4
x
2
+ 9
y
2
+ 16
x
-18
y
-11 = 0?
A.
B.
C.
D.
Hint
4.
Which graph represents the ellipse
?
A.
B.
C.
D.
Hint
5.
Write an equation for the ellipse whose endpoints of its major axis are at (-1, 3) and (5, 3), and whose foci are at (0, 3) and (4, 3).
A.
B.
C.
D.
Hint