Save guides, add subjects and pick up where you left off with your BBC account. The equation of a straight line can be worked out using coordinates and the gradient, and vice versa. Practice ...

To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure ...

to arrive at the geometric equation for the line, either through manual calculations or by using software. A straight line will result from a simple linear regression analysis of two or more ...