Rules for Surds

the 5 rules for surds.

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  • Created by: sophie
  • Created on: 06-04-11 16:57

5 rules

  • (1)  a x a = a                    e.g. 7 x 7 = 7

  • (2)  a x b = ab                e.g.  5 x 2 = 10

  • (3)  a ÷ b = a/b              e.g. 10 ÷ 2 = 10/2 = 5

  • (4)  xa x yb = xyab         e.g. 27 x 32 = 614

  • (5)  xa ÷ yb = x/ya/b      e.g. 126 ÷43 = 12/46/3 = 32

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Comments

ashley

cheers really simple to understand and helped me a lot :)

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