看图补全内容。
It is Saturday morning. My father is ____ the car. I am ____ him. My mother is ____ ____ in the kitchen. Helen is ____ the living room. She is ____ the floor. Where is Tim? What is he doing now? Tim is in his ____ .He is ____. Ben's dog is sleeping too.
是方程
的两个根，则
之间的关系为