Definition of wallpaper in the AudioEnglish.org Dictionary. Meaning of wallpaper. What does wallpaper mean? Proper usage and pronunciation (in phonetic transcription) of the word wallpaper. Information about wallpaper in the AudioEnglish.org dictionary, synonyms and antonyms.
1.8.7 Distance-time graphs: a mathematical story. Distance-time graphs are a means of replacing a description given in words by a mathematical description of the same event. What follows is a narrative account: that is, a description in the form of story about a bicycle ride. Read the story and then think about how you would use this account to produce a mathematical model of the ride in the form of a distance-time graph.
Normal scale charts compare price against time. You would graph the speed of a car in a similar manner: distance (y) over time (x). If a car travels at a constant velocity, the graph will be a straight line. If stopped, the line will be horizontal. If accelerating, the graph will show a curve.