Page 20 - KIII - Álgebra 4

Álgebra 4° Secundaria

1. Resolver: 10. Resolver:
x  4  3 x  4  2

A) [0; 1[ B) ]–3; 2] C) [4; 13[ A) [8; +∞ B) [0; 4] C) [4; 5
D) ]–2; 2] E) ]1; 3] D)  E) ℝ

2. Resolver: 11. Resolver:
x  2  3 2
25x  4
A) –∞; 3] B) –∞; 11 C) 2; 9
D) 11; +∞ E) [11; +∞ A) [0; 3] B) [3; 5] C) [-5; 0]
D) [-5; -3]  [3; 5] E) 
3. Resolver:
3  x   12. Resolver:
1 0
5x  2  10  x
A) –∞; 3] B) –∞; –3] C) –3; 3
D) 3; +∞ E) [3; +∞ A) -2; 0 B) 1; 2 C) 0; 2
D) 2; 10] E) ℝ
4. Resolver:
x  5  3  0 13. Resolver:
1
A) [0; 5[ B) ]0; 5] C) [0; 3[ x  1  x  1
D) ]–3; 5] E) 

5. Resolver: A) 1;2 B)  C) ℝ
x  4  x 1 D) [0;2 E) [1;3


A) –∞ ; 4] B) –∞ ; 4 C) 1; 4 14. Resolver la desigualdad:
D) 1 ; +∞ E) [4; +∞ x  2  3 x  8
3

6. Resolver: A) [-2;0] B) [0;1 C) -1;1
x  3  6  x  0 D) ℝ E) 

A) –∞ ; 3] B) –∞ ; 6] C) 3; 6 x  4
2
D) [3; 6] E) [3; +∞ 15. Al resolver: 2  5  0

9 x
7. Resolver: Se obtiene: x  a ; b]  [c ; d
2
3 x  11   Hallar el valor de: E = a + b + c + d

A) –∞ ; 3] B) –∞ ; 11] C) 2; 11] A) 0 B) 1 C) 2
D) 11 ; +∞ E) [11 ; +∞ D) -2 E) -1

8. Resolver: 16. Resolver:
2  x  2 x  2  2
4  x
A) [0; 1[ B) ]0; 2] C) [4; 6[
D) ]–2; 2] E) ]1; 2]  12
A) 0;1 B) 1;

9. Resuelve:  5

x  2  5  x C) 3; 19 D) 
  5
 25 E) ℝ
A)  ;  1   1;
 1
 27 17. Resolver:
B)  ;  2   1; 6x  2  1
 11

 23

C)  ; 4    2; 1
 11 A) 2 ; B)  C) ℝ
D) x  {0} D) [1/3;+∞ E) 0;+ ∞
E) [2; 7/2

Compendio -65-