Do I need an account to practise Practical maximum and minimum problems?

No. You can start practising Practical maximum and minimum problems straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.

Calculus

Practical maximum and minimum problems

4 self-marking IGCSE and Additional Maths practice questions on Practical maximum and minimum problems, written specifically for Cambridge IGCSE Additional Maths (0606), Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Higher and Single and Extended tier. Instant marking with full worked solutions on every question.

Start practising Practical maximum and minimum problems (no account needed)

Sample Practical maximum and minimum problems questions

A few of the 4 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

Question 13 marksGrade 8
A company's weekly profit, in thousands of dollars, from selling $x$ hundred units of a product is modelled by $P = 12x - x^2 - 20$ . (a) Find the number of hundreds of units,

What are the common mistakes in Practical maximum and minimum problems?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

Substitutes a value into a multi-term formula but omits one of the terms (e.g. a fixed cost) from the calculation
Substituting $x=6$ into $P=12x-x^2-20$

Quick answers about Practical maximum and minimum problems

How many Practical maximum and minimum problems practice questions are there?: There are 4 self-marking IGCSE and Additional Maths Maths questions on Practical maximum and minimum problems, written for Cambridge IGCSE Additional Maths (0606), Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Higher and Single and Extended tier. Each one is marked instantly and has a full worked solution.
Do I need an account to practise Practical maximum and minimum problems?: No. You can start practising Practical maximum and minimum problems straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.