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).
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.”
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