Tìm a, b để f(x) = x3 + ax + b chia cho (x + 1) dư 7 và chia cho (x - 3) dư 5?

Thực hiện phép chia, xét xem đa thức f(x)=x3 - 9x2 + 6x + 16 có chia hết cho: x - 3 không?

Choose the underlined word or phrase

1. Farzana did poor on her algebra quiz because she couldn’t concentrate well.

2. The test was more difficult than I expected. I could finish it at least 20 minutes early.

3. Although the island has no clean water and electric, it attracts lots of tourists.

4. The bee can easy sting anymore coming close to their beehives.

Complete the conversation with the sentences from the box.

PART 2

Thang: My cousins and their friends. We played and swam for 2 hours.

Tony: (4) …

Thang: Yeah. Then we rode a buffalo drawn cart to home. Fantastic!

Tony: (5) …

Thang: Tomorrow afternoon we’re going to fly kites together. It’s even more exciting, I think.

Tony: Sure. (6) …

Thang: Yes. I made friends with many local boys. They’re very friendly.

Tony: (7) …

Thang: There’re lots of open fields nearby. They’re great places to fly a kite.

Tony: (8) …

Thang: Well, I wish you were here Tony.

Complete the conversation with the sentences from the box.

Sounds great! I wish I could join …

Hi Thang. It’s Tony. How is your stay there?

Two hours? Wow! It must be fun.

I’m so envious of you! I wish I could ride that cart

But where can you fly kites?

What are you doing?

Have you got lots of new friends there?

Really? Who did you go swimming with? __________________________________

PART 1

Thang: Thang speaking.

Tony: (1) …

Thang: Hi Tony! It’s very exciting here. I’m having a wonderful time.

Tony: (2) …

Thang: Lots of interesting things. Yesterday we went swimming in a river.

Tony: (3) …

Complete the dialogue with the comparative form of the adjectives in brackets.

David: How do you like living in the big city?

Maria: There are many things that are (1) … (good) than living in the country!

David: Can you give me some examples?

Maria: Well, it certainly is (2) … (interesting) than the country. There is so much more to do and see!

David: Yes, but the city is (3) … (dangerous) than the country.

Maria: That’s true. People in the countryside are (4) … (friendly) than those in the city.

David: I’m sure that the country is (5) … (relaxed), too!

Maria: Yes, the city is (6) … (busy) than the country. However, the country is much (7) … (slow) than the city.

David: I think that’s a good thing!

Maria: The country is so slow and boring! It’s much (8) … (boring) than the city.

David: Life in the country is a lot (9) … (healthy) than in the city, I think.

Maria: Sure, it’s (10) … (clean) too. But, the city is so much (11) … (exciting).