# SURD - Definitions

Note by jackgd21, updated more than 1 year ago
 Created by jackgd21 about 7 years ago
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### Description

Definition of a SURD

## Resource summary

### Page 1

What is a SURD? An irrational nth root. Any mathematical expression (square root, cube root or higher root) which cannot be written as a common fraction

An irrational number isAny real number that cannot be expressed as a ratio a/b, where a and b are integers and b is non-zero.Informally An irrational number cannot be represented as a simple (common) fraction. Irrational numbers are those real numbers that cannot be represented as terminating or repeating decimals.

A simple fraction (common fraction / vulgar fraction) is A rational number written as a/b Where a and b are both integers The denominator (b) cannot be zero Simple fractions can be positive or negative, proper, or improper

SURD

Irrational number

Common Fraction

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