1.6E: Ejercicios
- Page ID
- 112461
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)La práctica hace la perfección
Utilizar las propiedades conmutativas y asociativas
En los siguientes ejercicios, simplifique.
1. \(43m+(−12n)+(−16m)+(−9n)\)
- Contestar
-
\(27m+(−21n)\)
2. \(−22p+17q+(−35p)+(−27q)\)
3. \(\frac{3}{8}g+\frac{1}{12}h+\frac{7}{8}g+\frac{5}{12}h\)
- Contestar
-
\(\frac{5}{4}g+\frac{1}{2}h\)
4. \(\frac{5}{6}a+\frac{3}{10}b+\frac{1}{6}a+\frac{9}{10}b\)
5. \(6.8p+9.14q+(−4.37p)+(−0.88q)\)
- Contestar
-
\(2.43p+8.26q\)
6. \(9.6m+7.22n+(−2.19m)+(−0.65n)\)
7. \(−24·7·\frac{3}{8}\)
- Contestar
-
\(−63\)
8. \(−36·11·\frac{4}{9}\)
9. \(\left(\frac{5}{6}+\frac{8}{15}\right)+\frac{7}{15}\)
- Contestar
-
\(1\frac{5}{6}\)
10. \(\left(\frac{11}{12}+\frac{4}{9}\right)+\frac{5}{9}\)
11. \(17(0.25)(4)\)
- Contestar
-
\(17\)
12. \(36(0.2)(5)\)
13. \([2.48(12)](0.5)\)
- Contestar
-
\(14.88\)
14. \([9.731(4)](0.75)\)
15. \(12\left(\frac{5}{6}p\right)\)
- Contestar
-
\(10p\)
16. \(20\left(\frac{3}{5}q\right)\)
Utilizar las Propiedades de Identidad, Inversa y Cero
En los siguientes ejercicios, simplifique.
17. \(19a+44−19a\)
- Contestar
-
\(44\)
18. \(27c+16−27c\)
19. \(\frac{1}{2}+\frac{7}{8}+\left(−\frac{1}{2}\right)\)
- Contestar
-
\(\frac{7}{8}\)
20. \(\frac{2}{5}+\frac{5}{12}+\left(−\frac{2}{5}\right)\)
21. \(10(0.1d)\)
- Contestar
-
\(d\)
22. \(100(0.01p)\)
23. \(\frac{3}{20}·\frac{49}{11}·\frac{20}{3}\)
- Contestar
-
\(\frac{49}{11}\)
24. \(\frac{13}{18}·\frac{25}{7}·\frac{18}{13}\)
25. \(\frac{0}{u−4.99}\), donde\(u\neq 4.99\)
- Contestar
-
\(0\)
26. \(0÷(y−\frac{1}{6})\), donde\(x \neq 16\)
27. \(\frac{32−5a}{0}\), donde\(32−5a\neq 0\)
- Contestar
-
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28. \(\frac{28−9b}{0}\), donde\(28−9b\neq 0\)
29. \(\left(\frac{3}{4}+\frac{9}{10}m\right)÷0\), donde\(\frac{3}{4}+\frac{9}{10}m\neq 0\)
- Contestar
-
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30. \(\left(\frac{5}{16}n−\frac{3}{7}\right)÷0\), donde\(\frac{5}{16}n−\frac{3}{7}\neq 0\)
Simplificar expresiones mediante la propiedad distributiva
En los siguientes ejercicios, simplifique el uso de la Propiedad Distributiva.
31. \(8(4y+9)\)
- Contestar
-
\(32y+72\)
32. \(9(3w+7)\)
33. \(6(c−13)\)
- Contestar
-
\(6c−78\)
34. \(7(y−13)\)
35. \(\frac{1}{4}(3q+12)\)
- Contestar
-
\(\frac{3}{4}q+3\)
36. \(\frac{1}{5}(4m+20)\)
37. \(9(\frac{5}{9}y−\frac{1}{3})\)
- Contestar
-
\(5y−3\)
38. \(10(\frac{3}{10}x−\frac{2}{5})\)
39. \(12(\frac{1}{4}+\frac{2}{3}r)\)
- Contestar
-
\(3+8r\)
40. \(12(\frac{1}{6}+\frac{3}{4}s)\)
41. \(15⋅\frac{3}{5}(4d+10)\)
- Responder
-
\(36d+90\)
42. \(18⋅\frac{5}{6}(15h+24)\)
43. \(r(s−18)\)
- Responder
-
\(rs−18r\)
44. \(u(v−10)\)
45. \((y+4)p\)
- Responder
-
\(yp+4p\)
46. \((a+7)x\)
47. \(−7(4p+1)\)
- Responder
-
\(−28p−7\)
48. \(−9(9a+4)\)
49. \(−3(x−6)\)
- Responder
-
\(−3x+18\)
50. \(−4(q−7)\)
51. \(−(3x−7)\)
- Responder
-
\(−3x+7\)
52. \(−(5p−4)\)
53. \(16−3(y+8)\)
- Responder
-
\(−3y−8\)
54. \(18−4(x+2)\)
55. \(4−11(3c−2)\)
- Responder
-
\(−33c+26\)
56. \(9−6(7n−5)\)
57. \(22−(a+3)\)
- Responder
-
\(−a+19\)
58. \(8−(r−7)\)
59. \((5m−3)−(m+7)\)
- Responder
-
\(4m−10\)
60. \((4y−1)−(y−2)\)
61. \(9(8x−3)−(−2)\)
- Responder
-
\(72x−25\)
62. \(4(6x−1)−(−8)\)
63. \(5(2n+9)+12(n−3)\)
- Responder
-
\(22n+9\)
64. \(9(5u+8)+2(u−6)\)
65. \(14(c−1)−8(c−6)\)
- Responder
-
\(6c+34\)
66. \(11(n−7)−5(n−1)\)
67. \(6(7y+8)−(30y−15)\)
- Responder
-
\(12y+63\)
68. \(7(3n+9)−(4n−13)\)
Ejercicios de escritura
69. En sus propias palabras, declarar la Propiedad Asociativa de adición.
- Responder
-
Las respuestas variarán.
70. Cuál es la diferencia entre la inversa aditiva y la inversa multiplicativa de un número
71. Simplifique el\(8(x−\frac{1}{4})\) uso de la Propiedad Distributiva y explique cada paso.
- Responder
-
Las respuestas variarán.
72. Explica cómo puedes multiplicar\(4($5.97)\) sin papel o calculadora pensando en\($5.97\) como\(6−0.03\) y luego usando la Propiedad Distributiva.
Autocomprobación
a. después de completar los ejercicios, utilice esta lista de verificación para evaluar su dominio de los objetivos de esta sección.
b. Después de revisar esta lista de verificación, ¿qué harás para tener confianza en todos los objetivos?