Consider the linear graph.
Find the gradient.
Find the value of the $y$y-intercept.
Write the equation of the line in the formĀ $y=mx+c$y=mx+c.
The graph shows the temperature of a room after the heater has been turned on.
The graph shows the amount of water remaining in a bucket that was initially full before a hole was made in its side.
Petrol costs a certain amount per litre. The table shows the cost of various amounts of petrol.