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.

INTERPOL=BOXT20 specifies a box plot with tops and bottoms on its whiskers, and the high and low bounds at the 80th and 20th percentiles. CO= colors the boxes and whiskers. BWIDTH= affects the width ...

Graphs of two or more straight lines can be used to solve simultaneous linear equations. The graph of a straight line can be described using an equation close equationA mathematical statement ...