Question
Every positive number has three real cube roots.
Step 1
The cube root of a number is a value that, when cubed (multiplied by itself twice), gives the original number. In mathematical terms, if $x^3 = y$, then $x$ is the cube root of $y$. Show more…
Show all steps
Your feedback will help us improve your experience
Nick Johnson and 93 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
The cube root of every nonzero real number has the same sign as the number itself.
Roots, Radicals, and Root Functions
Radical Expressions and Graphs
Find all the real cube roots of each number. $$ -\frac{27}{216} $$
Radical Functions And Rational Exponents
Roots and Radical Expressions
Find all the real cube roots of each number. $$ -64 $$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD