College Algebra / Unit 1 Alg 048 short lesson, about 20 seconds
The Quotient Rule for Simplifying Square Roots
Captions available
The idea
The quotient rule for simplifying square roots splits the root of a quotient into a quotient of roots: √(a/b) = √a / √b for nonnegative a and positive b.
In practice
√(25/4) equals √25 / √4 = 5/2.
Where people slip
The denominator under the radical must stay positive.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
Something wrong in this lesson? Flag it · Sources for College Algebra