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 ...

When the equation of a straight line is in the form \(y = mx + c\), \(m\) and \(c\) are numbers which give useful information about the graph of the line. In the equation \(y = mx + c\), \(m\) is ...