2. Which of the following tables are tables of values for a linear relation? Give reasons. If there is a linear relation, can you write the equation of the line?
If you are unable to write the equation, state what further information is required.
3. Analyse the table of values. The variable, T, represents the quantity (L) of gas in a tank and the variable, d, represents the distance travelled (km).
What is the rate of change? Show calculations.
Describe what this rate means in the real world?
Graph this relation.
Extrapolate to discover how far the vehicle travels before the tank is empty.