Brilliant

Practice

Algebra
Geometry
Number Theory
Calculus
Discrete Mathematics
Basic Mathematics
Logic
Classical Mechanics
Electricity and Magnetism
Computer Science
Quantitative Finance
Chemistry

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Log in with Facebook Log in with Google

or

Log in with email

Join using Facebook Join using Google

or

Join using email

New user? Sign up

Existing user? Log in

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 7 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Your answer seems reasonable. Find out if you're right!

Sign up to access problem solutions.

That seems reasonable. Find out if you're right!

Log in with Facebook Log in with Google

or

Log in with email

Join using Facebook Join using Google

or

Join using email

New user? Sign up

Existing user? Log in

Basic Mathematics

Pattern Recognition

Intro

Concept Quizzes

Patterns Using Arithmetic Warmup
Patterns Using Geometry Warmup
Sequences Based on Position
Identifying Pattern Relationships
What Comes Next?
Rotations
Reflections And Translations
Dilation
Dissection (Step Up Quiz)
Finding Specific Terms in a Pattern
General Term Pattern Recognition

Challenge Quizzes

Pattern Recognition: Level 1 Challenges
Pattern Recognition: Level 2 Challenges
Pattern Recognition: Level 3 Challenges

Reflections And Translations

Which image does not have a line of symmetry?

Images made using Silk (Creative Commons license).

A B C D

Show explanation

by Brilliant Staff

Which of these does not have a line of symmetry?

A B C D

Show explanation

by Brilliant Staff

What goes at the question mark?

A B C

Show explanation

by Brilliant Staff

Which of these does $\color{#D61F06} { \text{not} }$ have a line of symmetry?

A B C D

Show explanation

by Brilliant Staff

Which image is a rotation rather than a reflection based on the original pictures above?

A B C D

Show explanation

by Brilliant Staff

×

Problem Loading...

Note Loading...

Set Loading...