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Radicals & Roots:

Videos & Free Resources



Math - Free Videos on Radicals & Roots + Free Resources


Free Math Help - Radicals & Roots: . . .
Videos & Other Free Resources



Introduction to Radicals & Roots:


The "Radical Symbol" Math Symbol - Radical is a shorthand notation which stands for the


roots of the number (or expression) in the radicand.

For example , the cube root of 8 stands for the number that can be multiplied by itself three times (cubed) to equal 8:

radical - cube root of 8 - Math

Since, 2 * 2 * 2 = 8, the cube root of 8 is 2.

radical symbol, radicand, and root index - Math

The 3 in the expression is called the root index , and the 8 is called the radicand .





Math - Free Videos on Radicals & Roots + Free Resources Free Math Help: . . .
Radical Videos & Free Resources -

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Radicals & Roots: - Radical Sign








Radicals & Roots: - Square Roots








Radicals & Roots: - Adding & Subtracting Radicals


Written Example demonstrating this method - click here








Radicals & Roots: - Multiplying Radicals


Written Example demonstrating this method - click here














Radicals & Roots: - Dividing Radicals


Written Example demonstrating this method - click here








Radicals & Roots: - Simplifying Numbers Under the Square Root Sign


Written Example demonstrating this method - click here






Watch the video, complete a practice problem, then use these free ON-LINE Calculators to check your work - step by step:

http://www.mathwarehouse.com/arithmetic/square-root-calculator.php

http://www.webmath.com/simpsqrt.html




Radicals & Roots: - Simplifying Square Roots with Fractions







Radicals & Roots: - Rationalizing the Denominator


Written Example demonstrating this method - click here








Radicals & Roots: - Find the Square Root Without a Calculator


Written Example demonstrating this method - click here






Watch the video, complete a practice problem, then use these free ON-LINE Calculators to check your work - step by step:

http://barnyard.syr.edu/longroot.html




Radicals & Roots: - Find Square Root using Newton's Method


Written Example demonstrating this method - click here






Watch the video on Newton's Method, complete a practice problem of your own, then use these free ON-LINE Calculators which use Newton's Method to check your work - step by step:

http://keisan.casio.com/exec/system/1244946907


http://www.shodor.org/unchem/math/newton/nmethod.html





Free Resources
Free Resources    Download or Use on-line for Free

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Many Videos -


https://www.google.com/search?q=math+radicals+and+roots&rlz=1T4ACGW_enUS545US547&prmd=ivns&source=lnms&tbm=vid&sa=X&ei=UE9AVKblMtLpoATiwoD4BQ&ved=0CAYQ_AU