Differentiation
What differentiation means
You learn how to find the rate of change of simple algebraic expressions. This helps you work out slopes, simplify motion and growth problems, and prepare for later calculus work.
What you will practise
- Differentiate polynomial terms using the power rule.
- Find the derivative of simple linear expressions.
- Recognise when a constant gives zero.
- Write answers in the simplest algebraic form.
Before you start
You should be comfortable with powers, coefficients, and basic algebraic notation. It also helps to know how to simplify expressions and read function notation.
Worked example
One question from this skill's own question bank, shown with its full working.
Differentiate y = x³ with respect to x.
- x²
- 2x
- 3x²
- 3x
Working: d/dx(xⁿ) = n x^(n−1), so d/dx(x³) = 3x².
Common mistakes to avoid
- Forgetting to reduce the power by one after applying the power rule.
- Treating a constant term like a variable term instead of giving zero.
- Changing the coefficient when only the power should move.
- Missing the simple result for linear terms such as 5x.
Curriculum and exam alignment
This topic normally appears early in university and tertiary foundation calculus, before more advanced topics such as integration and differential equations. It also supports later coursework and professional entrance tests that check basic algebraic differentiation.
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other University Calculus & Matrices skills in Maths, at the same point in the course.
Other Maths topics
Related study guides
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Exams that assess differentiation
University work on this skill feeds directly into these exam papers. Each page lists the Maths topics that appear on it.
How this page was produced
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Practise differentiation
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.
