Download this Blank Cartesian Coordinate System In Two Dimensions Rectangular Orthogonal Coordinate Plane With Axes X And Y Math Scale System Template Vector Illustration Isolated On White Background ...

Revise how to plot a linear equation graph. Learn how to read x and y coordinates from a graph in this BBC Bitesize maths KS3 guide.

y = c Example All the points on the horizontal line below have a y-coordinate of \ (4\), so you can say that the equation of the line is \ (y = 4\).

When you graph a series of (x,y) coordinates in Microsoft Excel 2010, you can use the program's built-in functions to display the equation for the line created by those data points.