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Calculo Una Variable, 11vo Edición – George B.Thomas

Calculo Una Variable, 11vo Edición – George B.Thomas

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R-2 Capítulo 1: Respuestas<br />

35. Sí. Las rectas son perpendiculares, porque sus pendientes<br />

y son recíprocas negativas una de la otra.<br />

37. 39.<br />

41. 43. sx + 1d 2 + s y - 5d 2 x = 10<br />

2 + s y - 2d 2 -A>B 57. 59.<br />

B>A<br />

y = <strong>–</strong>x 4<br />

s3, -3d s -2, -9d<br />

= 4<br />

2 y<br />

<strong>–</strong> 6x <strong>–</strong> 5<br />

V(<strong>–</strong>3, 4)<br />

<strong>–</strong>4<br />

49. 51. sx - 2d 2 + s y + 2d 2 x = 8<br />

2 + s y - 3>2d 2 = 25>4<br />

53.<br />

55.<br />

C(0, 2)<br />

45. 47. sx + 2d 2 + s y - 2d 2 sx + 23d = 4<br />

2 + s y + 2d 2 = 4<br />

(<strong>–</strong>2, 0)<br />

4<br />

y<br />

⎛ <strong>–</strong>√3, 0⎞<br />

⎝ ⎠<br />

C ⎛ <strong>–</strong>√3, <strong>–</strong>2⎞<br />

⎝ ⎠<br />

(<strong>–</strong>1, 0)<br />

(0, <strong>–</strong>3)<br />

(0, 0)<br />

(0, 4)<br />

(0, 0)<br />

<strong>–</strong>2 <strong>–</strong>1 1 2<br />

y<br />

y<br />

(0, 4)<br />

4<br />

3<br />

2<br />

1<br />

<strong>–</strong>2 <strong>–</strong>1 1 2 3 4<br />

<strong>–</strong>1<br />

<strong>–</strong>2<br />

x 2 + (y <strong>–</strong> 3/2) 2 = 25/4<br />

(0, <strong>–</strong>1)<br />

y<br />

0 1 2<br />

V(2, 4)<br />

Eje: x = 2<br />

2<br />

<strong>–</strong>4<br />

C(0, 3/2)<br />

Eje: x = 1<br />

y<br />

x<br />

x<br />

(0, <strong>–</strong>1)<br />

(0, <strong>–</strong>3)<br />

(2, 0)<br />

y = x 2 <strong>–</strong> 2x <strong>–</strong> 3<br />

V(1, <strong>–</strong>4)<br />

y = <strong>–</strong>x 2 + 4x<br />

(4, 0)<br />

x<br />

(3, 0) x<br />

x<br />

1<br />

(0, 0)<br />

<strong>–</strong>1<br />

C(<strong>–</strong>1, 5)<br />

(x + 2) 2 + (y <strong>–</strong> 2) 2 = 4<br />

<strong>–</strong>1<br />

<strong>–</strong>2<br />

<strong>–</strong>3<br />

<strong>–</strong>4<br />

y<br />

(x + 1) 2 + (y <strong>–</strong> 5) 2 = 1<br />

(0, 8)<br />

(x <strong>–</strong> 2) 2 + (y + 2) 2 = 8<br />

(<strong>–</strong>4, 0)<br />

y<br />

(0, 2)<br />

<strong>–</strong>4 <strong>–</strong>2 0 2<br />

C(<strong>–</strong>2, 2)<br />

(<strong>–</strong>2, 0)<br />

(4, 0)<br />

1 2 3 4 5<br />

C(2, <strong>–</strong>2)<br />

(0, 2)<br />

<strong>–</strong>4 <strong>–</strong>3 <strong>–</strong>2 <strong>–</strong>1 0<br />

x<br />

y<br />

4<br />

3<br />

2<br />

1<br />

x<br />

x<br />

61. Puntos exteriores de un círculo con centro en el origen y radio<br />

27.<br />

63. Un círculo de radio 2 con centro en (1, 0), junto con su interior.<br />

65. La región entre los círculos x 2 + y 2 = 1 y x 2 + y 2 = 4 (puntos con<br />

distancia desde el origen está entre 1 y 2).<br />

67. Los puntos interiores de un círculo con centro en (0, -3) y radio<br />

3, que está debajo de la recta y =-3.<br />

69. 71. x2 + y 2 sx + 2d … 2, x Ú 1<br />

2 + sy - 1d 2 6 6<br />

77.<br />

79. a<br />

81. (a) L -2.5 grados> pulgada (b) L -16.1 grados/pulgada<br />

(c) L -8.3 grados> pulgada 83. 5.97 atm.<br />

85. Sí: C = F = -40°<br />

1 23 23<br />

, - b, a1 ,<br />

2 2 2 2 b<br />

91.<br />

93.<br />

a- 1 1 1 1<br />

, - b, a , -<br />

23 3 23 3 b<br />

<strong>–</strong>40 32<br />

<strong>–</strong>40<br />

(<strong>–</strong>40, <strong>–</strong>40)<br />

(<strong>–</strong>1, 4)<br />

(<strong>–</strong>1, 1)<br />

<strong>–</strong>2<br />

(<strong>–</strong>1, <strong>–</strong>2)<br />

(<strong>–</strong>5, 0)<br />

<strong>–</strong>6<br />

73.<br />

75.<br />

1 - 25<br />

a ,<br />

2<br />

3 - 25 1 + 25<br />

b, a ,<br />

2<br />

2<br />

3 + 25<br />

a 1 2 1 2<br />

, b, a- , -<br />

25 25 25 25 b<br />

4<br />

0<br />

<strong>–</strong>2<br />

y<br />

<strong>–</strong>3 (<strong>–</strong>1, 0)<br />

Eje: x = <strong>–</strong> 3<br />

(<strong>–</strong>6, <strong>–</strong>5) (0, <strong>–</strong>5)<br />

(2, 3)<br />

(2, 0)<br />

k = -8, k = 1>2<br />

C = F<br />

C =<br />

5<br />

(F <strong>–</strong> 32)<br />

9<br />

Sección 1.3, páginas 26-28<br />

C<br />

0<br />

5<br />

(5, 2)<br />

1. D: s - q, q d, R: [1, q d 3. D: s0, q d, R: s0, q d<br />

5. D: [-2, 2], R: [0, 2]<br />

x<br />

F<br />

x<br />

Eje: x = <strong>–</strong> 1<br />

V(<strong>–</strong>1, 7/2) y = x2 (<strong>–</strong>2, 4) (0, 4)<br />

1<br />

+ x + 4<br />

2<br />

<strong>–</strong>2 <strong>–</strong>1<br />

y<br />

1<br />

b<br />

2<br />

x

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