During this course 2011 - 2012 MATHEMATICS is being taught for 4º ESO.

11 / 4 / 12 QUESTION OF THE WEEK

WHAT'S THE SOLUTION FOR THESE INEQUALITIES?
a) x2+2x+1<0
b) x2+2x+1>0
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2 comments:

  1. Imanol GoicoecheaApril 13, 2012

    I think the answer is the same as in an equation we saw today in class:
    a) No solution in the real numbers.
    b) All real numbers.

    ReplyDelete
  2. maria jose arceApril 13, 2012

    You are right.
    Try to find an inequality with no solutions in the real numbers set for both cases!

    ReplyDelete

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