Тест по теме логарифмы

1 вариант
1. Найдите область определения: 13 EMBED Equation.3 1415 (5157, 2012г)
А)(-1;0,5) В)13 EMBED Equation.3 1415 С) [-1;0,5] D)(0,5;+
·) Е)(-1;+
·)
2. Найдите область определения функции: 13 EMBED Equation.3 1415 (5132, 2012г)
А) 13 EMBED Equation.3 1415 В) (2;+
·) С) (-2;2) D)(-
·;-2) Е) 13 EMBED Equation.3 1415
3. Найдите область определения: 13 EMBED Equation.3 1415 (5126, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415
D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
4. Вычислите: 13 EMBED Equation.3 1415 (5152, 2012г)
А)4 В)13 EMBED Equation.3 1415 С)13 EMBED Equation.3 1415 D)1 Е) 3
5. Найдите 13 EMBED Equation.3 1415, если 13 EMBED Equation.3 1415 (5147, 2012г)
А)a+b В)a-b С)ab D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
6. Найти значение выражения: 13 EMBED Equation.3 1415 (5142, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
7. Вычислите: 13 EMBED Equation.3 1415 (5137, 2012г)
А)1 В)4 С)8 D)7 Е) 2
8. Упростите: 13 EMBED Equation.3 1415 (5136, 2012г)
А)318 В)324 С)364 D)346 Е) 334
9. Решите уравнение: 13 EMBED Equation.3 1415 (5158, 2012г)
А)х=-3 В) х=3 С)х=0,2 D)х=2,2 Е) х=2
10. Решите систему уравнений: 13 EMBED Equation.3 1415 (5156, 2012г)
А)(0;2) В)(1;4) С)13 EMBED Equation.3 1415 D)13 EMBED Equation.3 1415 Е) (2;1)
11. Найдите 13 EMBED Equation.3 1415, если х1 и х2 корни уравнения: 13 EMBED Equation.3 1415 (5154, 2012г)
А)20 В) 15 С)9 D)17 Е) 3
12. Решите систему уравнений: 13 EMBED Equation.3 1415, a>0, b>0. (5149, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
13.Решите уравнение: 13 EMBED Equation.3 1415 (5146, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С)1,5 D)4 Е) 3
14. Пусть (х;у) – решение системы 13 EMBED Equation.3 1415. Найдите х+у. (5141, 2012г)
А)8 В) 6 С)-6 D)9 Е) -5
15.Решите уравнение: 13 EMBED Equation.3 1415 (5137,2012г)
А)х=-2 В)х=-4 С)нет решения D)х=4 Е) х=2
16. Решите уравнение: 13 EMBED Equation.3 1415 (5131, 2012г)
А) 13 EMBED Equation.3 1415
В) 13 EMBED Equation.3 1415
С) 13 EMBED Equation.3 1415
D) 13 EMBED Equation.3 1415
Е) 13 EMBED Equation.3 1415
17. Решите уравнение: 13 EMBED Equation.3 1415 (5124, 2012г)
А)-0,25;8 В) 0,25;8 С)-6;1 D)2;-3 Е)-2;3
18. Решите уравнение: 13 EMBED Equation.3 1415 (5113, 2012г)
А)4;2 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D)5;3 Е) 6;14
19. Определите верное решение неравенства: 13 EMBED Equation.3 1415 (5156, 2012г)
А)13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
20. Решите неравенство: 13 EMBED Equation.3 1415 (5139, 2012г)
А)13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D)(1;4) Е) 13 EMBED Equation.3 1415
21. Решите неравенство: 13 EMBED Equation.3 1415 (5122, 2012г)
А)(-2;8) В)(-
·;6) С)(-2;+
·) D) 13 EMBED Equation.3 1415 Е) (-2;6)
22. Решите неравенство: 13 EMBED Equation.3 1415 (5116, 2012г)
А)[0;1) В)(0;1] С)(0;1) D)(-
·;+
·) Е) [0;1]
23. Решите неравенство: 13 EMBED Equation.3 1415 (5128, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С) 13 EMBED Equation.3 1415 D) 13 EMBED Equation.3 1415 Е) 13 EMBED Equation.3 1415
24. Решите неравенство: 13 EMBED Equation.3 1415 (5106, 2012г)
А) 13 EMBED Equation.3 1415 В) (-3;3) С ) 13 EMBED Equation.3 1415 D) (-3;0) Е) 13 EMBED Equation.3 1415
25. Решите систему неравенств: 13 EMBED Equation.3 1415 (5114, 2012г)
А) 13 EMBED Equation.3 1415 В) 13 EMBED Equation.3 1415 С)[0,01;10] D)[0,01;1) Е) (1;10]




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