Simplifying Square Roots - YourTeacher.com - Algebra Help

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Uploaded by on Apr 21, 2008

For a complete lesson on simplifying square roots, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn how to simplify square roots of perfect squares, as well as square roots of numbers that are not perfect squares. The terms radical and radicand are also introduced as vocabulary.

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  • YouTube: more useful than actual school

  • thnx alot that really helped cuz i have a test tomorrow

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  • ...always works as long as the radicand has at least two repeated prime factors (in this case, the twos). There are so-called "square-free" numbers (e.g., 210 which = 2 x 3 x 5 x 7), so the sqrt(210) cannot be so simplified, as each prime factor is an 'orphan,' occurring singly.

  • @a3abbas ...Yep! Tomorrow is Monday! Back to the square roots! Yay

  • And exactly what happens if our factor tree does not come out looking like yours?

    This is shite! Because you offer no intuitive sense or a no brainer logic to the way you carried out the solution.

    if you math teaching doofuses understood logic you would realise that a solution leads to ONE and only ONE conclusion. Not multiple confusion!

  • im hot for teacher

  • wtf!? i don't get it... 5 can be split into 2x3 so then wouldn't it = to something else?

  • holy shit i get it :O

  • when am i going to actually sit down and use this? whatever...

  • U r ugly, i cannot learn D:

  • you would think homeschooling algebra would be easy.....i was so wrong this helped a lot since my chapter is about radical expressions:)

  • i hate this shit whats the point of learning this shit if u never use it in life it just a wast of time

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