Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

If you want to develop a solid understanding of coordinate geometry, all that is here will plot the pattern of your success. The resources included below revisit some Maths topics needed in your STEM ...

The latest edition of the NCERT Class 9 Maths Book Chapter 3 - Coordinate Geometry is available here in PDF format. We have provided here the latest edition of the chapter which is published on the ...