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 Name _____________________________ Date ___________________
Conics
(Answer ID # 0731530)
Find the focus and the directrix of the parabola. The vertex of the parabola is (0,0).

1.
-12x  =
 12
y2

2.
y - 10  =
 -132
x2 - 10

3.
x  =
 140
y2

4.
 120
x2  =  y

5.
x + 28  =
 -14
y2 + 28

6.
 -136
x2  =  y

7.
y  =
 116
x2

8.
 -72x = 6 y2

9.
 148
x2  =  y

10.
 28y = x2

11.
x - 69  =
 18
y2 - 69

12.
x  =
 -144
y2

13.
 140
y2  =  x

14.
 -160y = 5 x2

15.
y - 47  =
 -124
x2 - 47

16.
 -60x = 5 y2

17.
x - 25  =
 -136
y2 - 25

18.
y  =
 -18
x2

19.
 14
x2  =  y

20.
x  =
 116
y2

21.
x  =
 148
y2

22.
 6 x2 = 120y

23.
y + 9  =
 -128
x2 + 9

24.
 40x = y2

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