Skip to content

Library Solve Practice

Search 7,000+ topics/

Color theme

Library Solve Practice

Search everything About Expii Contributors

Library
Hidden
Graveyard
Math Graveyard
Finding Roots of Numbers

Practice problem

Finding Roots of Numbers

By DDaniel Crawford

+1 contributors

Contributors

Daniel Crawford
Ruiran Xun

Evaluate $\sqrt{9}$ .

Choose one answer

Option A: A

$3$

Option B: B

$9$

Option C: C

$27$

Option D: D

$81$

Report a problem

What needs fixing?

Read explanations

For a more Thought Full world.

Learn

Library
Search
Solve
Practice

Expii

About Expii
Contributors
Blog archive
Contact
Conduct

Family

LIVE
Po-Shen Loh

Free explanations from a community of curious people.© 2026 Expii, Inc.Terms Privacy

Find a topic

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems