Вопрос школьника по предмету Алгебра
Срочно НАДО ЗАВТРА плизззззззззззз 20 балллов
Найти нули функции
Y= 6tg( X/4+ pi/3)
Ответ учителя по предмету Алгебра
6tg (x/4 + pi/3) = 0
tg (x/4 + pi/3) = 0
x/4 + pi/3 = pik
x/4 = — pi/3 + pik
x = — 4pi/3 + 4pik, k ∈ Z
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READING
Прочитай рассказ и выбери правильный ответ.
My family
There are four of us in my family: a mother, a father, a younger brother and me. My father’s name is Vladimir, he is a driver. My mother’s name is Natalya, she is a kindergarten teacher. My name is Alexander, I am in the fifth grade and I go to music school. My younger brother’s name is Andrey, he is in the first grade. I always help him to do homework and I look after him while my mother and father are at work. We like to play ball and watch animated cartoons. We go fishing together with father. After that, our mother cooks delicious fish soup. If we have time to spare, we always spend it together. We like going to the cinema and walking in the park. In summer we go to the river for swimming or go to the forest to gather berries and mushrooms. In winter we go skiing and skating. My brother and I always help our parents. We wash up dishes and sweep the floor. Moreover, we tidy our rooms ourselves. My parents are the best! Our family is very united and happy.
How many people are in Alexander’s family?
A — There are five.
B — There are six.
C — There are four.
2) What is his father’s name?
A – His father’s name is Alexander.
B – His father’s name is Vladimir.
C – His father’s name is Andrey.
3) Is Andrey a younger brother?
A – Yes, he is.
B – No, he isn’t.
C – I don’t know.
4) What does mother cook?
A – Mother cooks delicious fish cake.
B – Mother cooks delicious onion soup.
C — Mother cooks delicious fish soup.
5) What do they do in summer?
A – They go skiing and skating.
B – They go to the river for swimming or go to the forest to gather berries and mushrooms.
C – They wash up dishes and sweep the floor.
USE OF ENGLISH (VOCABULARY/ GRAMMAR)
Выбери и впиши нужное слово в пропуск.
permission cautious safety follow dangerous
1. You should think about your _________ .
2. You should ask your parents’ _________ .
3. Strangers on the Internet may be _______ for you.
4. Always _______ this rules.
5. You should be ________ of strangers.
3. Раскрой скобки и поставь глаголы в нужном времени
1. Nick always ( help) his Granny.
2. Nick (help) his Granny at the moment.
3. Nick (help) his Granny this week.
4. My friends (rake) already the leaves in the garden.
5. My friends (rake) the leaves in the garden now.
WRITING
Напиши письмо британскому другу, помни о правилах написания письма, ответь на вопросы, задай сам 3 вопроса о летних каникулах.
Dear friend,
We are at the lake! It is a big lake in Scotland. Look at the picture! I am swimming in the lake with my brother. My father is fishing. I have ridden a bike today. We have a fun every day!
How are you? Where have you been this summer? What have you done there?
I am waiting for your letter.
Best wishes,
Tom.
Оценивание работы: общее количество баллов -50
«5» — 25-23 балла (100-90%)
«4» — 19-22 балла (70 – 89%)
«3» — 13 -18 баллов (50-69%)