No More Extraneous Roots CONFUSION – Radical Equations

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TabletClass Math:


Math Notes:

  1. TabletClass Math
  2. radical equations
  3. extraneous roots
  4. extraneous solutions
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Комментарии
Автор

Old math books are the best. No 'commercials' or other distractions from the content. Math teacher here, and also a math book collector. v

dziprick
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I'm enjoying these - especially since I'm studying to be a high school math teacher.

themasterrogerdelgado
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The confusion in the algebraic solution potentially lies in the fact the radical (which only has One principle real and positive solution) is converted to a polynomial (to transform the radical into a solvable algebraic expression) which creates a new expression with a minimum of Two Solutions.

brianjenkins
Автор

you shouldn't say the radical function is not a function because it doesn't pass the vertical line test. It is still a FUNCTION.

MathCuriousity