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Alg 3 Even Answers For Homework

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48.<br />

50.<br />

π 5π 7π 11π<br />

0, , , π , ,<br />

6 6 6 6<br />

π π 3π 5π 3π 7π<br />

0, , , , π , , ,<br />

4 2 4 4 2 4<br />

8.1<br />

24. 722 meters<br />

9.1<br />

16. (-3,-2,5)<br />

18. No Solutions<br />

10.1<br />

8. Center(0,0); Vertices( ± 3,0); Foci( ± 2 2,0)<br />

12. Center(0,0); Vertices(0, ± 4); Foci(0, ± 7)<br />

10.2<br />

24.<br />

26.<br />

( y − 4) ( x − 4)<br />

2 2<br />

− = 1<br />

9 4<br />

2 2<br />

x y<br />

− = 1<br />

144 25<br />

10.3<br />

18. ( ) 2<br />

20.<br />

2<br />

y + 3 = 8( x + 1); Vertex( −1, −3); Foci(1, − 3); Dir x=-3<br />

y = −6( x − 5); Vertex(5,0); Foci(7 / 2, 2); Dir x=6.5<br />

30. ( ) 2 1<br />

x − 3 = 4( )( y + 2); Vertex(3, −2); focus(3, − 15 /8); Directrix y=-17/8<br />

8

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