Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Algebra 2
18 practice questions
Practice questions
1–10 of 18
Question 1
1 mark · Easy
Answer and check →Work out the value of \( 7^2 \ ).
Question 2
2 marks · Easy
Answer and see the solution →Simplify the following expression. Give your answer as a single power of :
(a)[2 marks]Question 3
1 mark · Easy
Answer and see the solution →Evaluate \( \sqrt{64} \ ).
Question 4
3 marks · Easy
Answer and see the solution →The formula for the perimeter of a rectangle is .
(a)[2 marks]Substitute and into the formula. Work out the value of .
(b)[1 mark]If and , rearrange the formula to find the value of .
Question 5
1 mark · Easy
Answer and see the solution →Write the following using index notation:
Question 6
1 mark · Easy
Answer and see the solution →Evaluate \( 4^0 \ ).
Question 7
2 marks · Normal
Answer and see the solution →Use the rules of indices to simplify the following expression and give your answer as a single power of :
Question 8
3 marks · Normal
Answer and see the solution →Simplify the following algebraic fraction as much as possible:
Question 9
4 marks · Normal
Answer and see the solution →A formula links the area of a rectangle to its length and width :
(a)[1 mark]Substitute and . Work out the area .
(b)[2 marks]Rearrange the formula to make the subject.
(c)[1 mark]If the area and , find .
Question 10
3 marks · Normal
Answer and see the solution →Complete the table for where is directly proportional to .
n 1 2 4 m 5