Search in book...
Toggle Font Controls
Create new playlist

Name your new playlist

Playlist description (optional)
Sign In

Email address

Password

Forgot Password?

or

Continue with Facebook

Continue with Google
Sign Up

Full Name

Email address

Confirm Email Address

Password

or

Continue with Facebook

Continue with Google

Practice and Applications

5. $x = - 1.3, y = 5.2; x = 1.1, y = 3.9$ $x = - 1.3, y = 5.2; x = 1.1, y = 3.9$
7. $x = 2.0, y = 0.0; x = 1.6, y = 0.6$ $x = 2.0, y = 0.0; x = 1.6, y = 0.6$
9. $x = - 0.7, y = 1.4; x = 0.7, y = 1.4$ $x = - 0.7, y = 1.4; x = 0.7, y = 1.4$
11. $x = - 2, y = 7; x = 2, y = 7$ $x = - 2, y = 7; x = 2, y = 7$
13. $x = 0.0, y = 0.0; x = 3.3, y = 4.3$ $x = 0.0, y = 0.0; x = 3.3, y = 4.3$
15. $x = 0, y = 0; x = 2, y = 16$ $x = 0, y = 0; x = 2, y = 16$
17. $L = \sqrt{3}, R = 1; L = - \sqrt{3}, R = 1$ $L = \sqrt{3}, R = 1; L = - \sqrt{3}, R = 1$
19.

$\begin{array}{l} u = \frac{1}{12} (1 + \sqrt{97}), v = \frac{1}{18} (5 - \sqrt{97}); \\ u = \frac{1}{12} (1 - \sqrt{97}), v = \frac{1}{18} (5 + \sqrt{97}) \end{array}$ $\begin{array}{l} u = \frac{1}{12} (1 + \sqrt{97}), v = \frac{1}{18} (5 - \sqrt{97}); \\ u = \frac{1}{12} (1 - \sqrt{97}), v = \frac{1}{18} (5 + \sqrt{97}) \end{array}$
21.

$\begin{array}{l} x = 7, y = 5; x = 7, y = - 5; x = - 7, y = 5; \\ x = - 7, y = - 5 \end{array}$ $\begin{array}{l} x = 7, y = 5; x = 7, y = - 5; x = - 7, y = 5; \\ x = - 7, y = - 5 \end{array}$
23. $x = - 2, y = 2; x = \frac{2}{3}, y = \frac{10}{9}$ $x = - 2, y = 2; x = \frac{2}{3}, y = \frac{10}{9}$
25. $- 4, - 2, 2, 4$ $- 4, - 2, 2, 4$
27. 1, 16
29. $\frac{1}{3}, - \frac{1}{7}$ $\frac{1}{3}, - \frac{1}{7}$
31. 1, 1.65
33. $- \frac{3}{2}, 2$ $- \frac{3}{2}, 2$
35. $\frac{1}{4}, 49$ $\frac{1}{4}, 49$
37. $\sqrt{3}, - \sqrt{3}, \frac{1}{2} j \sqrt{3}, - \frac{1}{2} j \sqrt{3}$ $\sqrt{3}, - \sqrt{3}, \frac{1}{2} j \sqrt{3}, - \frac{1}{2} j \sqrt{3}$
39. 6
41. 8
43. $\frac{9}{16}$ $\frac{9}{16}$
45. $\frac{1}{3} (11 - 4 \sqrt{15})$ $\frac{1}{3} (11 - 4 \sqrt{15})$
47. 2
49. 4
51. 5
53. $- 1, 2$ $- 1, 2$
55. $x = a + 1, y = a$ $x = a + 1, y = a$
57. 25
59. $x = - 2, y = - 3; x = 3, y = 2$ $x = - 2, y = - 3; x = 3, y = 2$
61. 69.3 cm
63. $m = \frac{1}{2} (- y \pm \sqrt{2 s^{2} - y^{2}})$ $m = \frac{1}{2} (- y \pm \sqrt{2 s^{2} - y^{2}})$
65. 0.75 s, 1.5 s
67. 230 ft
69. 20 in., 26 in., 26 in., or 27.6 in., 22.2 in., 22.2 in.
71. 3.0 mm, 1.0 mm
73. 34 mm, 52 mm
75. 0.353 cm, 6.29 cm
77. 26 mi/h, 32 mi/h

..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.

Table of Contents for Practice and Applications

Create new playlist

Sign In

Sign Up

Table of Contents for
Practice and Applications