Year 12 Mathematics Extension 1

Further Applications of Calculus

Extension 1 calculus applications: related rates, exponential growth and decay, and simple harmonic motion.

Active lessons

9

Status

Active

Lesson flow

Learn -> Guided Practice -> Independent Practice -> Mastery Quiz

Diagnostic

Take the topic test

A timed, ~60-minute test drawn at random across all 8 subtopics of this unit. You get a marked result, a predicted band, and a clear list of which subtopics to re-practise.

Start topic test

How to use this unit

  • Start from lesson 1 and move through the pathway in order.
  • Use guided practice before attempting independent practice.
  • Mastery quizzes check whether the skill is ready for review or extension.

Unit pathway

Lesson pathway

9 of 9 active

Lesson 1

Related Rates of Change

Practise related rates of change with concise examples and mastery checks.

Lesson 2

Exponential Growth and Decay

Practise exponential growth and decay with concise examples and mastery checks.

Lesson 3

Simple Harmonic Motion

Practise simple harmonic motion with concise examples and mastery checks.

Lesson 4

Calculus Applications Exam Practice

Practise calculus applications exam practice with concise examples and mastery checks.

Lesson 5

Areas Between Curves and Volumes of Revolution

Calculate areas enclosed between two curves and volumes of solids formed by rotating a region about the x-axis or y-axis.

Lesson 6

Multiplicity of Zeroes of Polynomial Functions

Define the multiplicity of a zero, prove the derivative result, and sketch polynomials in factored form by reading crossing, touch, and inflection behaviour at each zero.

Lesson 7

Newton's Law of Cooling and Limited Growth

Solve dQ/dt = k(Q − A) by separation of variables to obtain Q(t) = A + Ce^(kt), apply it to Newton's Law of Cooling and population models approaching a carrying capacity, and justify long-run conclusions in context.

Lesson 8

Slope Fields and Solution Curves

Construct and read slope fields for dy/dx = f(x, y), sketch solution curves by following the direction field, identify stable and unstable equilibria, and describe long-run behaviour of solutions.

Lesson 9

Prior Knowledge Revision: Integration and Separable DEs

Activate prior knowledge for Further Applications of Calculus: standard indefinite integrals, the Fundamental Theorem of Calculus for definite integrals, and separation of variables for first-order differential equations.

Part of the Online Learning Package

Unit previews stay public, while individual lessons require active online learning access.