Page 284 - Алгебра 1 бөлім 10 сынып

ЖАУАПТАРЫ

9-сынып алгебра курсын қайталауға

арналған жаттығулар

2. 1) 5; 2) –2; 3) 0; 4) –2. 3. 3) 10; 4) 5.

4. 1) (–∞; –2]  [5; +∞); 4) (–∞; –1] 
 [0,2; 8)  (8; +∞); 5) (–∞; –1)  [5; + ∞);

 33 3   3 3 3 


7)   2    ;    ; 8) (– ∞; –1 –
  2     2 


– 6 ]  [–1 + 6 ; + ∞). 5. 1) (1; 9,3). 6. 1) [–5;

6]  [10; +∞); 2) (–∞; –11]  [–2; 7]; 3) (–∞;

–5]  (6; +∞); 4) (–2; 7]; 5) (7; 14]; 6) (–6; –3];

7) (1; 2)  (2; 3); 8) (–∞; –3)  (–3; –2)  (–1;

1
+∞). 7. 1) (–∞; –3]  [5; +∞). 8. 1) (–∞;  ) 
3
3
 (2,5; +∞); 2) (–9; ). 9. 1) 1; 2) 3. 10. 1) 8;
4

2) 8. 11. 1) –8; 2) –6. 12. 1) –6; 2) 4. 13. 1) (12;

+∞); 2) (–∞; –4]. 14. 1) 4; 7; 2) –18. 15. 1) (–6;

–5]  [5; +∞); 2) [–2; 2]; 3) [–1; 4). 16. 1) 3; 2)

{–3; –2; –1}. 18. (0; –0,4) и (4; 6). 19. 1) (–0,5;

0,5); (0,5; –0,5); (–2; 1); (2; –1); 3) (–2; –4); (2;

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