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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  =  
1

2
y2
2.  
y - 10  =  
-1

32
x2 - 10
3.  
x  =  
1

40
y2
4.  
1

20
x2  =  y
5.  
x + 28  =  
-1

4
y2 + 28
6.  
-1

36
x2  =  y
7.  
y  =  
1

16
x2
8.  
-72x  =  6y2
9.  
1

48
x2  =  y
10.  
28y  =  x2
11.  
x - 69  =  
1

8
y2 - 69
12.  
x  =  
-1

44
y2
13.  
1

40
y2  =  x
14.  
-160y  =  5x2
15.  
y - 47  =  
-1

24
x2 - 47
16.  
-60x  =  5y2
17.  
x - 25  =  
-1

36
y2 - 25
18.  
y  =  
-1

8
x2
19.  
1

4
x2  =  y
20.  
x  =  
1

16
y2
21.  
x  =  
1

48
y2
22.  
6x2  =  120y
23.  
y + 9  =  
-1

28
x2 + 9
24.  
40x  =  y2

 

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