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Worksheet by Kuta Software LLC
15) Center:
(
−3, 3
)
Vertex:
(
−10, 3
)
c
2
= 33
(
x
+ 3
)
2
49
+
(
y
− 3
)
2
16
= 1
16) Center:
(
1, −7
)
Vertex:
(
1, 1
)
c
2
= 55
(
x
− 1
)
2
9
+
(
y
+ 7
)
2
64
= 1
17) Center:
(
−9, 5
)
Focus:
(
−9 +
2 14, 5
)
Co-vertex:
(
−9, 10
)
(
x
+ 9
)
2
81
+
(
y
− 5
)
2
25
= 1
18) Center:
(
6, −4
)
Focus:
(
6 +
2 6, −4
)
Co-vertex:
(
6, 1
)
(
x
− 6
)
2
49
+
(
y
+ 4
)
2
25
= 1
19) Center:
(
4, 0
)
Focus:
(
4,
3 7
)
Width: 18
(
x
− 4
)
2
81
+
y
2
144
= 1
20) Center:
(
4, −8
)
Height: 18
Width: 14
(
x
− 4
)
2
49
+
(
y
+ 8
)
2
81
= 1
21) Center:
(
9, −7
)
a
= 9
b
= 4
Width: 8
(
x
− 9
)
2
16
+
(
y
+ 7
)
2
81
= 1
22) Center at origin
Focus:
(
3 15, 0
)
y-intercept:
(
0, 3
)
x
2
144
+
y
2
9
= 1
23) Endpoints of major axis:
(
4, 18
)
,
(
4, −4
)
Endpoints of minor axis:
(
12, 7
)
,
(
−4, 7
)
(
x
− 4
)
2
64
+
(
y
− 7
)
2
121
= 1
24) Major axis is vertical
Center:
(
8, −2
)
Major axis is 18 units long
Minor axis is 8 units long
(
x
− 8
)
2
16
+
(
y
+ 2
)
2
81
= 1
25)
x
y
−8 −6 −4 −2 2 4 6
−8
−6
−4
−2
2
4
6
(
x
+ 1
)
2
36
+
(
y
+ 1
)
2
25
= 1
26) Eccentricity =
91
10
Co-vertices:
(
12, 1
)
,
(
6, 1
)
(
x
− 9
)
2
9
+
(
y
− 1
)
2
100
= 1
-2-
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