Mathematical+Reflections,+p+48+0910

09\11\09 SH 

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Big idea :- Observation and description of changes in the world around us are the first steps in finding and learning about patterns. ======

Essential Question:- How can I visually explain situations where one thing changes based on another?
Notes:-

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==Question-1)Imagine a situation in which variable y depends on variable x.(for example,y might be profit and x might be the number of items sold).If y increases as x increases,how would this be indicated in a table?in a graph?==

Answer-1)In a graph it would be indicated by a rise from left to right.In a table it would be indicated by a rise in numbers.
==Question-2)If variable y decreases as variable x increases(for example,y might be the amount of money in your wallet on a trip and x the time you have been traveling) ,how would this be indicated in a graph? in a table?==