adventure15 adventure15
  • 16-11-2014
  • Mathematics
Answered

a student claims that the inequality 3x+1>0 is always true because multiplying a number by 3 and then adding 1 to the result always produces a number greater than 0. explain the student's error



Answer :

Аноним Аноним
  • 16-11-2014

If you multiply 3 by -1 and add 1 it'll be a -2 which is less than zero.
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