Cho đường thẳng (d₁): y=(m-1)x+m-2 và đường thẳng (d₂): y=-2x+3. Tìm giá trị của m để hai đoạn thẳng (d₁) và (d₂) song song với nhau

Cho phương trình: x²-2(m-1)x-4m=0.Chứng tỏ phương trình có nghiệm với mọi m

Tìm lỗi sai và sửa lại

Different kinds of newpapers arranged on the shelves when the teacher came into the class .

Tìm lỗi sai và sửa lỗi

1.Many people voluntarily offer care for elderly and disabled.

2. He couldn’t use his motorbike because it was repairing.

3. Lan has so interesting novel that she can’t put it down.

4. Bowling, one of the more popular indoor sports, is popular all over the United States and in other countries.

Tìm lỗi sai và sửa lại

1. We had an excursion to the Lake Hudson, a man-made reservoir in Okalahoma last Sunday .

2. Different kinds of newpapers arranged on the shelves when the teacher came into the class .

3. The Great Wall is China's longer structure .

Viết dạng đúng của động từ trong ngoặc

1. We can't imagine (award) the gold cup in the national champion league .

2. Whenever we meet, we stop (talk) .

3. To avoid (recognize) , the film star wore dark glasses

Viết dạng đúng của từ trong ngoặc

1. We're going to have a (compete) to see who can swim the furthest.

2. The new building looks most (impression) with its huge tower.

3. It's important to spend your time (produce).

4. The boys claimed they were being (victim) by the police.