Year 8 Interactive Maths - Second Edition

Horizontal and Vertical Lines

Note:

A line parallel to the x-axis is called a horizontal line.

The graph of a relation of the form x = 5 is a line parallel to the y-axis because the x value never changes.

Note:

A line parallel to the y-axis is called a vertical line.

Example 8

Plot the graph of each of the following relations:

Solution:

Key Terms

horizontal line, vertical line

Study Another Topic in Chapter 15: Linear Graphs

[ The Cartesian Plane ] [ Linear Patterns ] [ Number Patterns ] [ Plotting Linear Graphs ] [ Horizontal and Vertical Lines ] [ Sketching Linear Graphs ] [ Problem Solving Unit ] [ Symbols ] [ Index ]