问题
填空题
在直线y=2x+4上，且到x轴距离是6的点坐标是______．
答案
∵直线y=2x+4上的点到x轴距离是6，
∴y=±6，
当y=6时，即2x+4=6，解得x=1；
当y=-6时，即2x+4=-6，解得x=-5．
∴符合条件的点的坐标为：（1，6）或（-5，6）．
故答案为：（1，6）或（-5，6）．
搜题请搜索小程序“爱下问搜题”
在直线y=2x+4上，且到x轴距离是6的点坐标是______．
∵直线y=2x+4上的点到x轴距离是6，
∴y=±6，
当y=6时，即2x+4=6，解得x=1；
当y=-6时，即2x+4=-6，解得x=-5．
∴符合条件的点的坐标为：（1，6）或（-5，6）．
故答案为：（1，6）或（-5，6）．
Mr. White was riding a horse in the rain all the afternoon. When he reached a restaurant, he was all___1___ and cold. He saw a fire(火) in __2__ restaurant and many people sitting __3___ it. He couldn’t get a seat near the fire. He thought hard and soon he had an ___4___. He called out to the waiter,“___5__ some fish to my horse!”The waiter answered,“Horses don’t eat fish.”Mr White said,“___6__ my horse eats fish.”The waiter did as Mr White told him. The people in the restaurant ___7___ very strange and ran out after the waiter. When all the people went out, Mr White sat down at the table ___8__ the fire. When the waiter and the people __9__, they said,“Your horse doesn’t want eat the fish,”Mr White answered, “Put the fish on the table__10___ my horse doesn’t want it. I’ll eat it as soon as I warm up and dry out.”
|