Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Algebra 4
17 practice questions
Practice questions
1–4 of 4 · Hard
Question 1
4 marks · Hard
Answer and see the solution →Solve the equation . Show all your working.
Question 2
4 marks · Hard
Answer and see the solution →Change the subject of the formula to , giving your answer in terms of and .
Question 3
4 marks · Hard
Answer and see the solution →Solve the equation . Show all your working clearly.
Question 4
3 marks · Hard
Answer and see the solution →A student writes the statement . State whether this is an expression, an equation, or an identity, and explain your reasoning.