Surds
A surd is an expression that includes a root, such as a square root or cube root. Surds are often used to represent irrational numbers.
There are some operations we can do on surds, including:
- simplifying surds
- adding surds
- subtracting surds
- multiplying surds
- dividing surds
- rationalising the denominator
flashcards
| Question | Answer |
|---|---|
| Question | Answer |
| What is a surd? | An expression that includes a root (e.g. square root, cube root), often used to represent irrational numbers. |
| What operations can be performed on surds? | Simplifying, adding, subtracting, multiplying, dividing, and rationalising the denominator. |