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 ...

At every point on this line, the y-coordinate is 5. The equation of line A is \(y = 5\) The equation for line C is \(y = -1\). The equation for line D is \(y = -4\). The equation for line E is \(y ...