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.

Any equation that can be rearranged into the form y = m x + c, will have a straight line graph. m is the gradient, or steepness of the graph, and c is the y - intercept, or where the line crosses ...

Apple improved the Math Notes feature in iOS 26 and iPadOS 26, allowing users to input equations to create graphs in three dimensions. Math Notes ...