RESOLVER EN GRUPOS DE 4 POR AFINIDAD, EL DESARROLLO SE REALIZARÁ EN EL EDITOR DE ECUACIONES DE WORD

TAREA DE MATEMATICA

INTEGRANTES:

- ARIANA TOLEDO CACERES

-FRANK GONZALO MAMANI

-GERARDO DE LA CUBA CARDENAS

-LILIANA ALVARADO CONTRERAS

-GERALDINE DIAZ CABRERA

-MAURICO CHOQUETICO LLERENA

Tarea MATEMÁTICA BÁSICA

RESOLVER EN GRUPOS DE 4 POR AFINIDAD, EL DESARROLLO SE REALIZARÁ EN EL EDITOR DE ECUACIONES DE WORD.

Ecuaciones lineales

Determina el valor de x en las siguientes ecuaciones fraccionarias de primer grado:

1) [pic 1]

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X=6

2) [pic 4]

[pic 5]

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X=3

3) [pic 9]

[pic 10]

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4) [pic 14]

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-3x=-60

[pic 18]

5) [pic 19]

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6) [pic 26]

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7) [pic 33]

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8) [pic 40]

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9) [pic 47]

[pic 48]

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10) [pic 54]

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11) [pic 62]

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12) [pic 73]

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13) [pic 80]

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14) [pic 87]

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15) 3/4x- 5/14- 8/7x= 1/x+1/4- 11/14x

3/4x- 8/7x- 1/x+ 11/14x= 1/4+ 5/14

-17/28x= 17/28

-28x=28

 x= -1

16) 3/0,8x- 5/1,6x=1,25

3/(4x/5)- 5/(8x/5) =1,25

15/4x- 25/8x=1,25

5/8x=1,25

5=10x

10x=5

x=5/10

x= ½

17) 5/0,6x+ 7/3= 16/1,5x

5/(3x/5) + 7/3= 16/(3x/2)

25/3x+ 7/3= 32/3x

25/3x- 32/3x= - 7/3

-  7/3x= - 7/3

-3x= -3

x=1

18) 7/(x-3) =2

7=2 (x-3)

7=2 x-6

7+6=2x

13=2x

x=13/2

19) 3/(x+2) + 5/2=0

3/(x+2) = - 3/2

6= -5 (x+2)

6= -5x-10

5x= -10-6

5x= -16

x= -16/5

20) 2/(x+1) = 3/(x-1)

2(x-1) =3(x+1)

2x-2=3x+3

2x-3x=3+2

x= -5

21) (3x+2) /(3x-1)- 6x/(6x-1) =0

((6x1) (3x+2)-6x (3x-1)) /((3x-1) (6x-1)) =0

(18x^2+12x-3x-2-18x^2+6x) /((3x-1) (6x-1)) =0

(15x^ (-2)) /((3x-1) (6x-1)) =0

15x-2=0

15x=-2

x= 2/15

22) 13/(2x-3)-11/(x+3) = 0

(13(x+3) +11(2x-3)) /((2x-3) (x+3)) =0

(13x+39-22x+33) /((2x-3) (x+3)) =0

(-9x+72) /((2x-3) (x+3)) =0

-9x+72=0

-9x=-72

x=8

23) (x+4) /(x-3)- (2x+5) /2x=0

2x(x+4) (x-3) (2x+5) /(2x(x-3)) =0

(2x^2+8x(2x^2+5x-6x-15)) /(2x(x-3)) =0

(2x^2+8x-2x^2+x+15) /(2x(x-3)) =0

(9x+15) /(2x(x-3)) =0

9x+15=0

9x=-15

x=- 5/3

Respuestas:

1) 6     2) 3     3) 12     4) 20     5) 5     6) [pic 94]     7) [pic 95]     8) -5     9) 5     10) [pic 96]

11) [pic 97]     12) 4     13) [pic 98]     14) 2     15) -1     16) [pic 99]     17) 1     18) [pic 100]     19) [pic 101]

20) -5     21) [pic 102]      22) 8     23) [pic 103]

Ecuaciones cuadráticas

Resolver por el método de factorización, completación de cuadrados cada ejercicio. En caso no se pueda resolver por los métodos sugeridos utilice la fórmula general.

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1. [pic 107]

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1. [pic 118]

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1. [pic 127]

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1. [pic 136]

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[pic 147][pic 148][pic 149][pic 150][pic 151]

1. [pic 152]

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1. [pic 159]

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