求满足下列条件的直线的方程．
（1）经过点A（3，2），且与直线4x+y-2=0平行；
（2）经过点B（3，0），且与直线2x+y-5=0垂直．
（1）设所求直线方程为4x+y+c=0…（3分）
因为所求直线过点A（3，2）
所以4×3+2+c=0，
∴c=-14…（5分）
所以所求直线方程为4x+y-14=0…（6分）
（2）由条件设所求直线方程为x-2y+c=0…（9分）
因为所求直线过点B（3，0）
所以3+c=0，即c=-3…（11分）
所以所求直线方程为x-2y-3=0…（12分）
| 阅读理解。 | ||||||||||||||
下面是Fred 一周的活动安排:
| ||||||||||||||
| 1. Where does Fred meet Ann? | ||||||||||||||
| A. At Brown's house. B. In the hospital. C. At the station. D. At Kay's house. | ||||||||||||||
| 2. For how many hours a week does Fred do his part-time job? | ||||||||||||||
| A. Five hours. B. Six hours. C. Ten hours. D. Eleven hours. | ||||||||||||||
| 3.___________is ill in hospital. | ||||||||||||||
B. Joy C. Tom D. Kay | ||||||||||||||
| 4, Kay's birthday is on ______________. | ||||||||||||||
| A. Tuesday B. Friday C. Sunday D. Thursday | ||||||||||||||
| 5. What does Fred do on Saturday afternoon? | ||||||||||||||
| A. Play football. B. Study with Tom. C. Have a dancing class. D. Do a part-time job. |