A graph can be used in real life situations to help with working out quantities, often costs. Neve chooses four toppings. Rule across from 4 on the x-axis until you meet the line, and then rule ...

Draw the graph of \(x = 3\). Mark some points on a grid which have an \(x\)-coordinate of 3, such as (3, 0), (3, 1), (3, -2). The points lie on the vertical line \(x = 3\). If you recognise that ...