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Тест по Алгебре. Тема: Логарифмы. Класс: 10-й. Тип вопросов: Множественный выбор. 10 вопросов. Без ответов.
Вычислите log_2 8. A) 2 B) 3 C) 4 D) 8
Какое из следующих выражений является корректной формулой смены основания логарифма? A) log_b x = log_k x / log_k b B) log_b x = log_k x * log_k b C) log_b x = log_k b / log_k x D) log_b x = log_k x + log_k b
Значение log_10 1000 равно: A) 2 B) 3 C) 4 D) 0
Уравнение: log_3 (x + 4) = 2. Найдите x. A) 5 B) -1 C) 1 D) 4
Найдите решение: log_2 (x + 1) = -2. A) -3/4 B) -1/2 C) -2 D) -1/4
Какие из условий верны для существования логарифма log_b x? A) b > 0, b ≠ 1 и x > 0 B) b > 0, b ≠ 1 и x < 0 C) b < 0 и x > 0 D) b ≠ 0 и x > 0
Значение log_5 25 равно: A) 1 B) 2 C) 3 D) 4
Изменение основания: log_7 11 = ? A) log_10 11 / log_10 7 B) log_11 7 / log_11 11 C) log_7 11 / log_7 10 D) log_7 11^2
Если log_2 x = 3, найдите x. A) 8 B) 9 C) 7 D) 6
Какое значение имеет log_10 (0.01)? A) -3 B) -2 C) -1 D) 0
Класс: 8
Тема: Паст Симпл Тенс
Отметьте правильный ответ (только один).
Вопрос 1: What is the past simple form of the verb "to go"?
A) Goed
B) Went
C) Go
D) Gone
Ответ: B) Went
Вопрос 2: They ___ (play) football last Saturday.
A) Play
B) Played
C) Playing
D) Plays
Ответ: B) Played
Вопрос 3: She ___ (not / see) the movie yesterday.
A) Did not see
B) Did not saw
C) Did not seen
D) Not saw
Ответ: A) Did not see
Вопрос 4: He ___ (eat) breakfast at 8 AM yesterday.
A) Eats
B) Eating
C) Eat
D) Ate
Ответ: D) Ate
Вопрос 5: We ___ (be) in Paris last summer.
A) Was
B) Were
C) Be
D) Being
Ответ: B) Were
Вопрос 6: I ___ (visit) my grandmother last weekend.
A) Visit
B) Visited
C) Visiting
D) Visits
Ответ: B) Visited
Вопрос 7: What did you ___ (do) last Friday?
A) Do
B) Did
C) Doing
D) Does
Ответ: A) Do
Вопрос 8: They ___ (not / like) the food at the restaurant.
A) Did not like
B) Not liked
C) Did not liking
D) Doesn't like
Ответ: A) Did not like
Вопрос 9: She ___ (dance) at the party last week.
A) Dances
B) Dance
C) Danced
D) Dancing
Ответ: C) Danced
Вопрос 10: We ___ (have) a great time at the concert.
A) Have
B) Had
C) Having
D) Has
Ответ: B) Had
Вопрос 11: He ___ (write) a letter to his friend.
A) Writes
B) Wrote
C) Writing
D) Written
Ответ: B) Wrote
Вопрос 12: They ___ (not / go) to the beach last summer.
A) Did not go
B) Go not
C) Not went
D) Did go not
Ответ: A) Did not go
Вопрос 13: I ___ (find) my keys yesterday.
A) Finded
B) Find
C) Found
D) Finding
Ответ: C) Found
Вопрос 14: She ___ (read) a book last night.
A) Reads
B) Reading
C) Read
D) Redding
Ответ: C) Read
Вопрос 15: We ___ (play) video games all day long.
A) Played
B) Play
C) Playing
D) Plays
Ответ: A) Played
Вопрос 16: He ___ (take) the bus to school last week.
A) Taken
B) Taked
C) Took
D) Takes
Ответ: C) Took
Вопрос 17: They ___ (finish) their homework before dinner.
A) Finishes
B) Finished
C) Finishing
D) Finish
Ответ: B) Finished
Вопрос 18: What time ___ (you / wake up) yesterday?
A) Did you woke up
B) Did you wake up
C) Woke up you
D) Wake did you up
Ответ: B) Did you wake up
Вопрос 19: She ___ (buy) a new dress for the party.
A) Buy
B) Buys
C) Bought
D) Buying
Ответ: C) Bought
Вопрос 20: We ___ (see) a great movie last night.
A) See
B) Seen
C) Saw
D) Seeing
Ответ: C) Saw
Вопрос 21: I ___ (meet) my best friend five years ago.
A) Met
B) Meet
C) Meeting
D) Meets
Ответ: A) Met
Вопрос 22: They ___ (travel) to Italy last year.
A) Travelled
B) Traveled
C) Travelling
D) Travels
Ответ: B) Traveled
Вопрос 23: She ___ (call) me yesterday.
A) Calling
B) Calls
C) Called
D) Call
Ответ: C) Called
Вопрос 24: We ___ (not / visit) the museum last weekend.
A) Did not visit
B) Not visited
C) Visit not
D) Did visit not
Ответ: A) Did not visit
Вопрос 25: What ___ (you / eat) for breakfast yesterday?
A) Did you ate
B) Did you eat
C) You did eat
D) Did eat you
Ответ: B) Did you eat
Итог: Тест состоит из 25 вопросов, все ответы поданы после каждого вопроса. Удачи на экзамене!
Тест по информатике для 7 класса: "Цифровое представление непрерывных данных"
Вопрос 1:
Какое из следующих понятий обозначает процесс преобразования непрерывного сигнала в цифровую форму?
A) Кодирование
B) Декодирование
C) Сжатие
D) Модуляция
Правильный ответ: A) Кодирование
Вопрос 2:
Какой метод используется для представления непрерывных данных в виде дискретных значений, путем формирования выборок на равных интервалах времени?
A) Модуляция
B) Дискретизация
C) Декодирование
D) Рендеринг
Правильный ответ: B) Дискретизация
Тест завершен. Удачи на экзаменах!
Что-то пошло не так. Ошибка: Request timed out.
1. Which sentence is in the Present Simple tense?
a) I will go to the park.
b) I go to the park.
c) I went to the park.
2. What is the correct form of the verb in this sentence? "She _____ to school every day."
a) go
b) goes
c) going
3. Choose the correct negative form: "He _____ play football on Sundays."
a) does not
b) do not
c) is not
4. Which sentence is correct?
a) They likes pizza.
b) They like pizza.
c) They likey pizza.
5. What is the correct question form?
a) Do you plays basketball?
b) Do you play basketball?
c) Are you play basketball?
6. Choose the correct answer: "The cat _____ on the sofa."
a) sleep
b) sleeps
c) sleeping
7. What is the correct form? "I _____ my homework every evening."
a) do
b) does
c) doing
8. Which of these is NOT a Present Simple sentence?
a) She works at a store.
b) He is working at a store.
c) They play chess on Fridays.
9. Fill in the blank: "We _____ to the cinema on Saturdays."
a) go
b) goes
c) gone
10. Identify the correct sentence:
a) You don’t like tea.
b) You doesn’t like tea.
c) You not like tea.