A-Level Edexcel Mathematics AS S1.4.2 - Explanatory (independent) Topic Practice

• 4.2 Explanatory (independent) and Use to make predictions within the range of values of the response (dependent) variables. explanatory variable and the dangers of extrapolation.

• Applications and interpretations.

• Derivations will not be required.

• Variables other than x and y may be used.

• Linear change of variable may be required.