Tìm m để các đường thẳng y=2x-1,y=x+2

 ,y=(2m-1)x-m+2 đồng quy tại 1 điểm

Tìm tọa độ giao điểm của các đồ thị hàm số y=2x+3 và y=-x+1

Vẽ đồ thị các hàm sô sau trên 1 trục số

a,\(y=3x\)

b,\(y=2x-3\)

c,\(y=-x+2\)

Với giá trị của m thì các hàm số sau là hàm số bậc nhất

a,y=\(\left(3m-2\right)x+4\)

b,\(y=\sqrt{3-m}\) x-3

c,\(y=\dfrac{2m-1}{m+2}x+5\)

d,\(y=\left(m^2-4\right)x^2+\left(m+2\right)x-3\)

Điền "so"hoặc "because" vào chỗ chấm

1. I love animals, ………… I often go to the zoo.                                     

2. I’m flying home tomorrow ……………… my mother is very ill.          

3. The flood was very severe, ………… we had to move .                        

4. I didn’t want to be late, ……… I left early                                            

5. She went to the bank ……… she wanted to withdraw some money.                                             

6. The boy was sent to the orphan ……………… he had no parents.                

7. He’s lazy, ……………………… his parents are worried.                     

8. She’s very helpful, ………………… we like her.                                  

9. She never wants to go there ……………… she is afraid of snakes                 

10. He was tired, …………………… he stopped working