Algebra – Irrationals

Thursday 12/21/2017
Rational numbers, can be written as a ratio of 2 integers ½, 1/3 (.33333…), 2/3 (.6666.)

There are also an infinite number of Irrational numbers, these cannot be written as a ratio of 2 integers.  SQRT of 2. The square root of any prime is irrational.

Famous irrationals are:

  • Pi = 314159265….
  • E Euler’s number = 2.7182518254…
  • Golden ration Phi = 1.1610339….
  • Sqrt of 2 = 1.714213656…(the diagonal of a 1”square)