Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 6
104 practice questions
Topics covered
Practice questions
11–20 of 38 · Easy
Question 11
1 mark · Easy
Answer and see the solution →Simplify the following expression:
Question 12
1 mark · Easy
Answer and check →Evaluate 2^{3} \times 2^{-1}.
Question 13
2 marks · Easy
Answer and see the solution →If a = 3 and b = -2, calculate the value of the expression:
Question 14
1 mark · Easy
Answer and see the solution →Write down the second and third terms of the sequence that starts at 7 and increases by 5 each time.
Question 15
1 mark · Easy
Answer and see the solution →The sequence starts 15, 30, 45, ... What is the common difference?
Question 16
2 marks · Easy
Answer and see the solution →A sequence is defined by the nth term formula: . Find the first and fourth terms of the sequence.
Question 17
3 marks · Easy
Answer and see the solution →Given the sequence 2, 5, 10, 17, 26, ... use the difference method to find the next two terms of the sequence.
(a)[1 mark]Work out the first row of differences for the sequence.
(b)[2 marks]From your differences, find the next two terms of the sequence.
Question 18
2 marks · Easy
Answer and see the solution →The nth term of a sequence is given as . Calculate the value of the 8th term.
Question 19
2 marks · Easy
Answer and see the solution →Complete the table showing the first four terms for the sequence: Start at 20, subtract 4 each time.
Sequence Table Term position (n) 1 2 3 4 Term 20 Question 20
2 marks · Easy
Answer and see the solution →The sequence 9, 12, 15, 18, ... is arithmetic. How many terms are there in the sequence up to and including 60?