Alg 3 Even Answers For Homework
Alg 3 Even Answers For Homework
Alg 3 Even Answers For Homework
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<strong>Alg</strong> 3 <strong>Even</strong> <strong>Answers</strong><br />
<strong>For</strong> <strong>Homework</strong><br />
1.6<br />
8. 10<br />
24. 97/36<br />
3<br />
28. 2 6<br />
1.7<br />
22.<br />
5 4 3 2<br />
− 4t + t − 16t + 1/ 4t − 4t<br />
2.5<br />
20. (17/2, -4)<br />
2.7<br />
30.<br />
1±<br />
31<br />
2<br />
3.4<br />
32.<br />
2( S − an)<br />
d =<br />
n( n −1)<br />
50. 7.5 hours<br />
52. 7.5 feet<br />
58. 18 hours<br />
4.1<br />
2. a) Center (3,3) b) Center (-3,3) c) Center (-3,-3) d) Center (3,-3)<br />
5.3<br />
32. 2.2331<br />
6.2<br />
28. o 1 o und 1 und<br />
1 0 und 0 und 1<br />
0 -1 0 und -1 und<br />
-1 0 und 0 und -1
6.3<br />
14. Graph: Amp= 1; Period = pie<br />
16. Graph: Amp=1; period= pie/2<br />
18. Graph: Amp=2; period= 4pie<br />
6.4<br />
10 Graph: Asm @ , 4π , 7π ,<br />
10π<br />
period= pie/2<br />
3 3 3 3<br />
π π π<br />
3 5<br />
, ,<br />
2 2 2<br />
12. Graph: Asm @ − , ,3 ; Hits x axis @ 0,2π<br />
14. Graph: Asm @<br />
π π π Period is 2pie<br />
π<br />
16. Graph: Asm @ , π period=pie<br />
2<br />
6-5<br />
2. 2<br />
π<br />
4. π<br />
π<br />
6.<br />
4<br />
8. 6<br />
π<br />
12. Und<br />
20. Und<br />
24.<br />
30.<br />
32.<br />
50. 3<br />
1<br />
3<br />
π<br />
6<br />
π<br />
6<br />
7.3<br />
40. Done in Class
7.4<br />
4.<br />
⎛ π ⎞ 3<br />
cos ⎜ − ⎟ =<br />
⎝ 6 ⎠ 2<br />
( )<br />
1<br />
24. sin( a + b) = 3+<br />
2 42<br />
20<br />
1<br />
cos( a + b) = 6 6 − 7<br />
20<br />
7.5<br />
4.<br />
( )<br />
3 + 2 42<br />
tan( a + b)<br />
=<br />
6 6 − 7<br />
−<br />
2<br />
8<br />
1<br />
8. ( 2 − 3 )<br />
14.<br />
2<br />
527<br />
−<br />
625<br />
26. Identities<br />
36. Identities<br />
38. Identities<br />
40. Identities<br />
7.6<br />
4.<br />
6.<br />
10.<br />
π 3π<br />
+ kπ;<br />
+ kπ<br />
4 4<br />
π 5π<br />
+ 2 kπ; + 2kπ<br />
6 6<br />
π<br />
+ kπ<br />
3<br />
14. No Solutions<br />
34. 0,π<br />
7 9 15<br />
36.<br />
π , π , π ,<br />
π<br />
8 8 8 8<br />
38. 0,π<br />
π 5π<br />
40. ,<br />
4 4<br />
2π<br />
4π<br />
42. 0, ,<br />
3 3<br />
π 3π<br />
44. ,<br />
2 2<br />
π 7π 11π<br />
46. , ,<br />
2 6 6
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