1-3x3-6x2-x+2
(3x3-6x2)-(x+2)
(x+2) (3x2-1)
2-2x3+2x2+3x+3
(2x3+2x2)+(3x+3)
2x2(x+1)+3(3+1)
(x+1)(2x2+3)
3-6x4-9x2+2x2-3
(6x4-9x2)+1(2x2-3)
3x2(2x2-3)+1(2x2-3)
(2x2-3)(3x2+1)
4-12x2+6xy-10xy-5y2
(12x2+6xy)-(10xy-5y2)
6x(2x+1y)-5(2x-1y)
(2x+1y)-(6x-5)
5-x2+7x+12
(x+3)(x+4)
6-16x2+4x-2
(16x2+8x)(-4x+2)
8x(2x+1)(8x-2)
(2x-1)(8x-2)
7-3x3+7x2+2x
no se puede
8-2x2-11x+5
(2)(5)=10
(2x2-10x)-(x-5)
2x(x-5)-1(x-5)
(x-5)(2x-1)
9--49y2+42y+9
no se puede
10-x2+6x+9
(x2+3x)+(3x+9)
x(x+3)+3(x+3)
(x+3)(x+3)
11-x2+8x+64
no se puede
12-x2-1
(x+1)(x-1)
13-9x2-25y2
(3x+5y)(3x-5y)
14-9x2-16
(3x+4)(3x-4)
15-
9x2+4
no se puede
domingo, 29 de noviembre de 2009
lunes, 7 de septiembre de 2009
TAREA IDENTIDADES
1.--25x+157-18=-33x+25-67
x=3.12
2.-(2)(-4)(5)+(-2)(3)(8)+16x=145
x=14.565
3.-((15/4)(16/7)/(33/22)(12/21))x+24-(16/7=52-(45/5)
x=2.12
4.-((29/7)(134)-45+29=15x-(34/6)
x=3.2
5.-256-(425/25)+(156/4)=36x
x=7.72
6.-(-2)(-3)(-4)(4)+(-6)(-7)(4)-41=67-18x
x=-10
7.-(12/9)+(13/15)-(18/3)+222x=475-(11/4)
x=2.144
ESCRIBE LA EXPRECION ALGEBRAICA
8.-15x
9.-x/25
10.-4x-8
11.-x(3)/12
12.-x+25
13.-14+x
14.-2x-y/3
1.--25x+157-18=-33x+25-67
x=3.12
2.-(2)(-4)(5)+(-2)(3)(8)+16x=145
x=14.565
3.-((15/4)(16/7)/(33/22)(12/21))x+24-(16/7=52-(45/5)
x=2.12
4.-((29/7)(134)-45+29=15x-(34/6)
x=3.2
5.-256-(425/25)+(156/4)=36x
x=7.72
6.-(-2)(-3)(-4)(4)+(-6)(-7)(4)-41=67-18x
x=-10
7.-(12/9)+(13/15)-(18/3)+222x=475-(11/4)
x=2.144
ESCRIBE LA EXPRECION ALGEBRAICA
8.-15x
9.-x/25
10.-4x-8
11.-x(3)/12
12.-x+25
13.-14+x
14.-2x-y/3
domingo, 30 de agosto de 2009
1.-3/7+2/5-(16/8)x=
x=-3
=157/105
2.-15-17+33x-9x=
x=5
=155/45
3.-[(9/5)(5/8)x+(2/3)x+54=
x=-4
=1835/30
4.-(18/7)/[17/5)(8/9)]x+19=
x=2
=2421/119
5.-(22/16)-(17/9)+33x-67-6x=
x=-2
=215/18
6.-23x-185x+215x-13+44=
x=7
=113
7.-42/15+33/9-28x=
x=8
=19256/135
8.-(24/4)(6/9)+1/2-16x-59+46=
x=-5
=95/2
9.-[(24/5)/(19/7)]x+13x-157x+79=
x=7
=21239/95
10.-[(156/37)/(456/89)]x+23x-179=
x=0
=218179/1406
x=-3
=157/105
2.-15-17+33x-9x=
x=5
=155/45
3.-[(9/5)(5/8)x+(2/3)x+54=
x=-4
=1835/30
4.-(18/7)/[17/5)(8/9)]x+19=
x=2
=2421/119
5.-(22/16)-(17/9)+33x-67-6x=
x=-2
=215/18
6.-23x-185x+215x-13+44=
x=7
=113
7.-42/15+33/9-28x=
x=8
=19256/135
8.-(24/4)(6/9)+1/2-16x-59+46=
x=-5
=95/2
9.-[(24/5)/(19/7)]x+13x-157x+79=
x=7
=21239/95
10.-[(156/37)/(456/89)]x+23x-179=
x=0
=218179/1406
domingo, 23 de agosto de 2009
primer tarea
I
1.real
2.racional
3.racional
4.racional
5.racional
6.racional
7.racional
8.real
9.imaginario
10.real
II
11.(4)(-5)(3)(-2)(1)(-7)(8)=6040
12.(9)(7)(-4)(6)(-4)(0)(34)=216027
13. -2+6-7-8-5+6+45+23-73-11+152=126
14. -6-9-8-7-5-8-6=-49
15. -44-56+65+2+5-8-9+9+6-7+4=-12
16.(12)(3)(-4)(2)(7)(11)(-3)=42000
17.[(9/3)(4)](-2)+4-5(3)+(-2)-2(-7)
(12)(2)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+(-5)(3)+3(-2)-2(-7)
(12)(-2)-15+3(-2)-2(-7)
-24-15+3(-2)-2(-7)
-39+3(-2)-2(-7)
-39-6-2(-7)
-39-6+14
45+14=31
=31
18.[((5)(8)/10)(5)]+2-7(-4)+5(7)-2-7-6+14
(4)(5)+2-7(-4)+5(7)-2-7-6+14
20+2-7(-4)+5(7)-2-7-6+14
20-5(-4)+5(7)-2-7-6+14
20+20+5(7)-2-7-6+14
40+5(7)-2-7-6+14
40+35-2-7-6+14=74
=74
19.(5/4)*(13/9)=65/36
20.(12/6)(3/5)*(16/4)+(2/5)=73/600
21.(3/7)+(12/5)-(5/4)=221/140
22.(14/3)(16/5)/(12/8)(9/6)=11752/1620
1.real
2.racional
3.racional
4.racional
5.racional
6.racional
7.racional
8.real
9.imaginario
10.real
II
11.(4)(-5)(3)(-2)(1)(-7)(8)=6040
12.(9)(7)(-4)(6)(-4)(0)(34)=216027
13. -2+6-7-8-5+6+45+23-73-11+152=126
14. -6-9-8-7-5-8-6=-49
15. -44-56+65+2+5-8-9+9+6-7+4=-12
16.(12)(3)(-4)(2)(7)(11)(-3)=42000
17.[(9/3)(4)](-2)+4-5(3)+(-2)-2(-7)
(12)(2)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+4-5(3)+3(-2)-2(-7)
(12)(-2)+(-5)(3)+3(-2)-2(-7)
(12)(-2)-15+3(-2)-2(-7)
-24-15+3(-2)-2(-7)
-39+3(-2)-2(-7)
-39-6-2(-7)
-39-6+14
45+14=31
=31
18.[((5)(8)/10)(5)]+2-7(-4)+5(7)-2-7-6+14
(4)(5)+2-7(-4)+5(7)-2-7-6+14
20+2-7(-4)+5(7)-2-7-6+14
20-5(-4)+5(7)-2-7-6+14
20+20+5(7)-2-7-6+14
40+5(7)-2-7-6+14
40+35-2-7-6+14=74
=74
19.(5/4)*(13/9)=65/36
20.(12/6)(3/5)*(16/4)+(2/5)=73/600
21.(3/7)+(12/5)-(5/4)=221/140
22.(14/3)(16/5)/(12/8)(9/6)=11752/1620
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