Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 8
106 practice questions
Topics covered
Practice questions
21–30 of 40 · Easy
Question 21
1 mark · Easy
Answer and see the solution →Write down the solution to the equation as it would be found by looking for where the line meets on a graph.
Question 22
1 mark · Easy
Answer and see the solution →Write the column vector for a translation three units right and two units down.
Question 23
2 marks · Easy
Answer and see the solution →Find the magnitude of the vector .
Question 24
2 marks · Easy
Answer and see the solution →Given and , write down the vector as a column vector.
Question 25
3 marks · Easy
Answer and see the solution →In the diagram below, OABC is a parallelogram. and .
Parallelogram OABC. (a)[1 mark]Write down the column vector .
(b)[1 mark]Express as a column vector.
(c)[1 mark]Show that is a parallelogram.
Question 26
3 marks · Easy
Answer and see the solution →Use the coordinates in the table to write each displacement as a column vector.
Displacements as Vectors Vector Start End Column vector p (1, 4) (6, 2) q (3, -1) (7, 3) r (-2, 5) (0, 7) Question 27
1 mark · Easy
Answer and check →Give the exact value of the magnitude of the vector .
Question 28
2 marks · Easy
Answer and see the solution →Given , calculate as a column vector.
Question 29
1 mark · Easy
Answer and see the solution →Sam throws a coin once. What is the probability that it lands on heads?
Question 30
2 marks · Easy
Answer and see the solution →A bag contains 5 green balls and 3 yellow balls. Kate picks a ball at random, replaces it, and then picks again. What is the probability that both balls are green?