Substitution to quadratic form

Sample Substitution to quadratic form questions

A few of the 3 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 14 marksGrade 9
   Solve $x^{4/3} + x^{2/3} - 12 = 0$, giving your answer correct to 3 significant figures. [4]

What are the common mistakes in Substitution to quadratic form?

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.

• Gives the solved value of a substituted variable as the final answer instead of converting back to the original variable the question asked for

  $y=\lg x$, so once $y$ is found, you still need to solve $\lg x = y$

Quick answers about Substitution to quadratic form

How many Substitution to quadratic form practice questions are there?

There are 3 self-marking Additional Maths Maths questions on Substitution to quadratic form, written for Cambridge IGCSE Additional Maths (0606) across Single tier. Each one is marked instantly and has a full worked solution.

Do I need an account to practise Substitution to quadratic form?

No. You can start practising Substitution to quadratic form straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.