Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Algebra 4
17 practice questions
Practice questions
11–17 of 17
Question 11
2 marks · Normal
Answer and see the solution →The area of a triangle with base and height is given by . Find if and .
Question 12
2 marks · Normal
Answer and see the solution →Make the subject of the equation .
Question 13
2 marks · Normal
Answer and see the solution →Solve the equation .
Question 14
4 marks · Hard
Answer and see the solution →Solve the equation . Show all your working.
Question 15
4 marks · Hard
Answer and see the solution →Change the subject of the formula to , giving your answer in terms of and .
Question 16
4 marks · Hard
Answer and see the solution →Solve the equation . Show all your working clearly.
Question 17
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.