https://courses.lumenlearning.com/ivytech-collegealgebra/chapter/evaluating-square-roots/

When the square root of a number is squared, the result is the original number. Since 4 2 ... The expression: square root of twenty-five is enclosed in a circle. The ...

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/v/simplifying-square-root-expressions

Worked examples of taking expressions with square roots and taking all of the perfect squares out of the square roots. For example, 2√(7x)⋅3√(14x²) can be ...

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/e/adding_and_subtracting_radicals

Practice simplifying expressions with multiple radical terms.

https://www.khanacademy.org/math/algebra/rational-exponents-and-radicals/alg1-simplify-square-roots/a/simplifying-square-roots-review

Learn how to rewrite square roots (and expressions containing them) so there's no perfect square within the square root. For example, rewrite √75 as 5⋅√3.

https://math.wonderhowto.com/how-to/evaluate-square-roots-318753/

Mar 12, 2010 ... This is the video about how to evaluate square roots. ... Numbers that have square roots always have two, a positive one and a negative one, but the square root symbol ... How To: Square expressions involving radicals ...

https://www.purplemath.com/modules/radicals.htm

For instance, if we square 2, we get 4, and if we "take the square root of 4", we get ..... On a side note, let me emphasize that "evaluating" an expression (to find its ...

https://www.youtube.com/watch?v=ol1HS1VZO7g

Mar 8, 2007 ... evaluate square roots. ... Square root in just 3 seconds - lakshya education- math's guru no.1 - Duration: 11:39. Lakshya Bhilai 2,156,517 views.

https://www.youtube.com/watch?v=zRznmV30qJE

Jul 18, 2010 ... A lot of students question why the absolute value is used when evaluating an even root of a radicand to an even power. I hope this video helps ...

https://www.youtube.com/watch?v=9AxGLziiBro

Mar 29, 2012 ... CC.8.EE.2 -- Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive ...

https://www.mathgames.com/skill/8.10-evaluate-variable-expressions-with-squares-and-square-roots

Practice substituting in numbers to evaluate variable expressions with squares and square roots.