# Math Definitions - Letter Y

### Chapters

### Definition of y-axis

# Definition of y-axis

The \(xy\)-plane has two lines called **axes** that pass through the origin (the point \((0,0)\)) and help you to measure how far to the left or right and how far up or down a point lies in the plane.

The \(y\)-axis is the **vertical** line in the plane that passes through the origin (the point \((0,0)\)) and helps you to measure how far **up or down** the plane a point lies.

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter Y

Author: Subject Coach

Added on: 5th Dec 2017

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