Inecuaciones

DIRECCIÓN GENERAL DEL BACHILLERATO










Alumno:

Titular: Mtro. Alberto Santana Ortega
CICLO ESCOLAR
2011-2012

Teziutlán,Puebla.
Febrero de 2011

Examen Parcial 1
MATEMÁTICAS IV

FILA B
1. -7 ≤ 2·x + 1 < 19


-4 ≤ x < 9

⎮ 1 ⎮
2. ⎮4 - ⎯⎯⎯⎮ > 0
⎮ 2 ⎮2
3. x + 2·x - 15 ≥ 0


X ≤ -5 ∨ x ≥ 3

2
4. (x + 1) ≤ 0


x = -12
5. 9·x + 12·x + 4 > 0

x ≠ -0.6666666666

6. 0 < ⎮7 - x⎮ ≤ 8


x ≠ 7
-1 ≤ x ≤ 15

7. 8·x + 9 > 0

[True]

8. ⎮2·x +1⎮ < 0

False

FILA A

-1 < 1 - 2·x ≤ 3

-1 ≤ x < 1
⎮3·x - 4⎮ ≥ 0

true

2
x - 25 < 0

-5 < x < 5
2
x - 2·x + 1 ≤0

x = 1
0 < ⎮x + 2⎮ < 6

x ≠ -2 -8 < x < 4



MATEMETICAS IV EXAMEN PARCIAL II


FILA A


x + 3 > -2

x > -5

-2 < 1- 2·x ≤ 4

-1.5 ≤ x < 1.5
2
x + x < 0

-1 < x < 0

⎮x - 10⎮ ≥ 2

x ≤ 8 v x ≥ 12

0 < ⎮x + 1⎮ < 2

x ≠ -1 ∧ -3 < x < 1

(x + 3)·(x -2) < 0

-3 < x < 2

2
4·x + 4·x + 1 < 0

False
2
- 2·x ≤ 0

True

FILA B
3- 9·x < -6

x > 1
-5 ≤ 3·x + 1 < 20

-2 ≤ x < 6.333333333
2
x - 81 ≥ 0

x ≤ -9 ∨ x ≥ 9
⎮4 + x⎮ < 7

-11< x < 3
0 < ⎮x - 8⎮ < 3

x ≠ 8 ∧ 5 < x < 11
(x - 1)·(x - 2) < 0

1 < x < 2

⎮-x⎮ < -1

False
2
x + 25 ≥ 1

True