Posted by joey on .
according to some student,what is the true purpose homework

math 
Sam,
What do you think is the whole point of going to school?
To receive education ofcourse. Good grades come in handy in the future. 
math 
Anonymous,
Puropose of homeworkgood grades, appreciation from teacher, effort mark, etc.
By the Way this doesn't look like math to me. 
math 
PsyDAG,
Most information is not retained unless you go over and over it. The time in school is not enough to absorb the information. These articles might give some insight to studying.
http://www.members.cox.net/dagershaw/lol/LearningRequire.html
http://www.members.cox.net/dagershaw/lol/LearningACE.html
I hope this helps a little more. 
math 
Anonymous,
7x—4y = 16