Tareaas

1) Sistema de ecuaciones
1._ 4x-y=-2
x-2y=8

2._ 5x+2y=12
x-3y=-9

3._ 3x-y=9
7x+3y=2

4._ x+y=2
x-y=6

5._ 2x-3y=12
-5x+6y=186._ 2x+3y=9
x+y=2

2) Formula general
1._ 20x2-10x+1=0

2._ 40x2+126x-81=0

3._ -x2+30x+10=0

4._ -3x2+2x+2=0

5._ x2+2x+1=0

6._ 4x2-12x+9=0

3) Gráficade ecuaciones
1._ 3x2+6x+9=y [-3,3]
x | Y=3x2+6x+9 |
-3 | |
-2 | |
-1 | |
0 | |
1 | |
2 | |
3 | |

2._ x2-7x+10=y [-2,6]
x | Y=x2-7x+10 |
-2 ||
-1 | |
0 | |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |

3._ x2-8x=y [0,10]
X | Y=x2-8x |
0 | |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |7 | |
8 | |
9 | |
10 | |

4._ 2x2+6x+10=y [-5,5]
x | Y=2x2+6x+10 |
-5 | |
-4 | |
-3 | |
-2 | |
-1 | |
0 | |
1 | |
2 | |
3 | |
4 ||
5 | |

5._ x2-4x+4=y [0-6]
x | Y=x2-4x+4 |
0 | |
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |

6._ x2-8x+16=y [-4,4]
X | Y=x2-8x+16 |
-4 | |
-3| |
-2 | |
-1 | |
0 | |
1 | |
2 | |
3 | |
4 | |

4) Producto de términos.
1._ (2x+4x)2

2._ (x-2)(x+2)

3._ (a-b)(c-d)

4._ (x+5)(x-6)

5._(2x2+4y2)(2x2-4y2)

6._ (x-3)(x-6)
7._ (x+5)(x-7)

8._ (x+4y)2

9._ (x-4)(x+12)

10._ (x+4)(x-3)

11._ (3x2+6y2)2

12._ (2x+3)(2x+4)

5) Factorización de términos.1. 25a2-10ab+b2 =

2. 9x2-4y2 =

3. x2+7x+12=

4.36r2-49s2=

5. x2+2x+1=

6. x2-5x-25=

7. x2-y2=

8.4m2-12mn+9n2=

9. 100a2-25b2=

10. a2+9a+8=

11.m2-20m+96=
12. 9x2-16y2=

6) Reducción de ecuaciones.
1. 5x+6-6x-6= -1

2. 13x-1+12x-2=3

3. x+2x-3=2x-1x-2

4. 2x-1+32x+2=4

5. 2x-3-32x+4=6

6. x+32x+4=3x-12x-3