
How to simplify square roots (review) (article) | Khan Academy
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.
Simplifying square-root expressions (video) | Khan Academy
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 written as 42x√ (2x).
Simplifying square-root expressions: no variables - Khan Academy
When I look at Simplifying Square Roots, it reminds me a lot of Prime factorization. In fact, I have been following along with these videos on Simplifying Square Roots, using the same method as I do with …
Simplifying square roots | Algebra (video) | Khan Academy
Wouldn't the answer to a square root really be positive and negative? For instance, if we wanted the square root of 9, it would be 3 and -3? because 3x3=9 and -3x-3=9?
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Exponents & radicals | Algebra 1 | Math | Khan Academy
Let's review exponent rules and level up what we know about roots. The square root is nice, but let's learn about higher-order roots like the cube root (or 3rd root).
Simplify square roots (variables) - Khan Academy
Simplify. Remove all perfect squares from inside the square root. Assume b is positive.
Exponents & radicals: FAQ (article) | Khan Academy
What are some common ways to simplify square roots? One common way to simplify square roots is to factor the radicand (the number inside the square root symbol) into perfect squares.
Simplify square-root expressions | Algebra (practice) | Khan Academy
Simplify square roots (variables) Simplifying square-root expressions Simplify square-root expressions Simplifying square roots review Exponents & radicals: FAQ
Exponents & radicals | Khan Academy
In this unit, we review exponent rules and learn about higher-order roots like the cube root (or 3rd root). We'll learn how to calculate these roots and simplify algebraic expressions with radicals.