To calculate consumer surplus, find the area below the demand curve but above the equilibrium price line within your graph (up to Q*). This triangle represents consumer surplus.

Spread the loveIn everyday life, we often encounter situations that require the ability to understand the rate of change. Whether it’s calculating the speed of a car, predicting the growth of a ...

Excel's intercept function takes the data points that define a line on a graph and calculates the y value for the point on the graph where x is equal to zero.

Revise how to work out the gradient of a straight line in maths and what formula to use to calculate the value change in this Bitesize guide.

The capital allocation line (CAL) is used in finance to illustrate the risk-return trade-off of investment portfolios by displaying the tradeoff of risk-free and risky assets.