TRABAJO ENCARGADO DE MATEMÁTICA RESUELTO
Enviado por PaolaAFN • 26 de Noviembre de 2017 • Trabajo • 1.597 Palabras (7 Páginas) • 240 Visitas
TRABAJO ENCARGADO DE MATEMATICA
- Halla el numerador de la solución de la ecuación:
donde a, b son positivos[pic 1]
[pic 2]
[pic 3]
[pic 4]
[pic 5]
[pic 6]
[pic 7]
El numerador es 2ab.
a) ab b)2ab c)a+b d)a-b e)2ab/(a+b)
- La solución de la ecuación: x2 + 6x + 2[pic 8]
[pic 9]
[pic 10]
[pic 11]
[pic 12]
[pic 13]
[pic 14]
[pic 15]
[pic 16]
[pic 17][pic 18]
[pic 19][pic 20]
[pic 21][pic 22]
[pic 23]
[pic 24]
a) 6;2 b) -8;2 c)6; -2 d)8; 4 e) -6;2
3. Sean m y n soluciones de la ecuación (x -2)2 - 3(x – 2) – 4 = 0 Hallar “m+n”
[pic 25]
[pic 26]
[pic 27]
[pic 28]
[pic 29]
[pic 30]
[pic 31]
[pic 32]
[pic 33]
a)2 b)-1 c)5 d)4 e)7
4. Resolver [pic 34]
[pic 35]
[pic 36]
[pic 37]
[pic 38]
[pic 39]
[pic 40]
[pic 41]
[pic 42]
[pic 43]
a)0;3 b)3; 1/9 c)0;1/9 d)2;3 e)3; -1/3bbbb
5. La suma de las raíces de: [pic 44]
[pic 45]
[pic 46]
[pic 47]
[pic 48]
[pic 49]
[pic 50]
[pic 51]
[pic 52]
[pic 53]
[pic 54]
[pic 55]
[pic 56]
[pic 57]
[pic 58]
[pic 59]
[pic 60]
a)15 b)-13 c)8 d)12 e)-14
6. El producto de las raíces de la ecuación [pic 61][pic 62]
[pic 63]
[pic 64]
[pic 65]
[pic 66]
[pic 67]
[pic 68]
[pic 69]
[pic 70]
[pic 71]
[pic 72]
[pic 73][pic 74]
[pic 75][pic 76]
a)20 b)35 c)-90 d)-70 e)45
7. Resolver: 2*x+1) la raíz negativa es:[pic 77]
[pic 78]
[pic 79]
[pic 80]
[pic 81]
[pic 82]
[pic 83]
a)-3 b)-2 c)-4 d)-1 e)-5
8. Resuelve la ecuación: e identifique el mayor entero que verifica.[pic 84]
[pic 85]
[pic 86]
[pic 87]
[pic 88]
[pic 89]
[pic 90]
[pic 91]
[pic 92]
[pic 93]
a)-2 b)2 c)-1 d)1 e)3
9. Si x1, x2 y x3 son las raíces de: P(x) = x3 – 2x2 - 5x – 6 , además x3 > x2 > x1, Calcula el valor de: [pic 94]
1 | 2 | -5 | -6 | |
2 | 2 | 8 | 6 | |
1 | 4 | 3 | 0 | |
-1 | -1 | -3 | ||
1 | 3 | 0 | ||
-3 | -3 | |||
1 | 0 |
[pic 95]
[pic 96]
[pic 97]
[pic 98]
a) -1 b) 1 c)-2 d)3 e)4
10. La solución de ecuación: [pic 99]
[pic 100]
[pic 101]
[pic 102]
[pic 103]
Rpta: [pic 104]
11. Resolver la inecuación:
[pic 105]
[pic 106]
[pic 107]
[pic 108]
[pic 109]
[pic 110]
[pic 111]
[pic 112]
[pic 113]
[pic 114][pic 115][pic 116]
a) <- b) < c) <- d) <- e)<-][pic 117][pic 118][pic 119][pic 120][pic 121]
12. Si x
[pic 125]
[pic 126]
[pic 127]
[pic 128]
[pic 129]
[pic 130]
[pic 131][pic 132][pic 133]
[pic 134][pic 135][pic 136]
[pic 137]
...