Bài 1:TÌm hệ số a của hàm số y=ax+1 biết khi x=1+ √2 thì y=3+ √2
a)Xác định hệ số b biết đồ thị hàm số y=2x+b có tọa độ (2,-3)
Bài 2:Tìm tọa độ giao điểm của đồ thị hàm số y=3x-4 với 2 trục tọa độ
Bài 3:Vẽ trên cùng 1 mặt phẳng tọa độ Oxy đồ thị 2 hàm số sau :y=-x+2 và y=3x-2
Bị động
1.The teacher told us to work harder on english pronuncaition
2.We must pay the bill at once
3.I will repair your bicycle tomorrow afternoon
4.Penicillin can cure many dangerous diseases
5.Does your country expost rice to Britain?
6.Clement Clarke Moore wrote the peom in 1823
7.They should send Christmas cards a week before Christmas day
8.Nobody has used this machine for years
9.They use recycled plastic to make toys and utensils
10.You can buy tax free goods before you get on the plane
11.The repairman is going to repair my car next week
12.They can make tea with boiled water
13.He is instructing all the workers of the plan at the moment
14.A boy has just taken some of my books away
15.They will hold the celebration before January
Giúp mk vs
Bài 1:Chia V
a)She is tired.She.....(want) to go home now
b)......(Tom/plant) the trees in the garden at the moment ?
c)What...(you/do) now
d)Listen!Someone...(knock) on the front door
e)He...(write)a novel at present
f)...(they/watch)TV at present?No-they
g)He and I....(play)soccer at the moment
h)Tom and I...(be)busy now
i)They..(see)a movie now
j)We..(want)to go school at the moment