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What does the graph for y=2x-2 look like?
Is it the same as y=2(x-2)?
On every clubs card is a straight line drawn in a coordinate system. Equivalent functions are drawn on diamonds, but in reverse order. The same functions appear on hearts and spades, but "jumbled up".
Which clubs, diamonds, hearts and spades belong together? So there are 13 tricks.
A popular game with these cards is the classic game "Happy Families", which has simple rules. You have to get rid of your cards as quickly as possible by pairing them up in different ways with the card lying on the table.
Answers supplied.
More info and rules. (PowerPoint, PPS, in swedish).
How to use the cards. (Presentation, english).
English EUR
Dansk DKK
Norsk NOK
Suomeksi EUR
Svenska SEK 
Svenska EUR
