If you're putting together a Word document where you also need to present data, you can add a table with the data, but using a graph is much more visually appealing and easy to interpret. Learning to ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the ...

A quadratic equation is drawn as a curve on a set of axes. This type of curve is called a parabola and it is symmetrical. To draw the graph we need coordinates. We generate these coordinates by ...