Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit
Unit 3
104 practice questions
Topics covered
Practice questions
11–20 of 47 · Normal
Question 11
3 marks · Normal
Answer and see the solution →Solve the equation:
Question 12
2 marks · Normal
Answer and see the solution →Factorise completely:
Question 13
2 marks · Normal
Answer and see the solution →Expand the following expression:
Question 14
3 marks · Normal
Answer and see the solution →Solve the following linear equation. Give your answer in simplest form:
(a)[3 marks]Question 15
2 marks · Normal
Answer and see the solution →Show, by expanding , how the general quadratic is formed. Write the resulting expression.
Question 16
2 marks · Normal
Answer and see the solution →Complete the following table for :
(a)[2 marks]x y -1 0 1 2 Question 17
4 marks · Normal
Answer and see the solution →The distance–time graph below shows the journey of Sarah walking from home to the park and then returning home.
Sarah's journey a) Find Sarah's speed (in km/h) as she walks from home to the park.
b) For how long did Sarah rest at the park?
c) Find Sarah's speed (in km/h) as she walked home from the park.
(a)[1 mark](b)[1 mark](c)[2 marks]Question 18
2 marks · Normal
Answer and see the solution →A car travels at a constant speed. The distance–time graph for its journey shows a straight line from (0, 0) to (3, 180).
a) Calculate the speed of the car in km/h.
Question 19
3 marks · Normal
Answer and see the solution →The table below shows the times taken by two athletes, Anna and Ben, to complete each stage of a race.
Athletes' stage times Stage Anna (min) Ben (min) Swim 12 15 Rest 3 3 Cycle 24 21 Rest 5 4 Run 14 16 a) Who spent less total time racing (excluding rests)?
b) Calculate Anna's average stage time (excluding rests).
Question 20
3 marks · Normal
Answer and see the solution →A train travels at a constant speed for 45 minutes and covers a distance of 54 km.
Calculate the speed of the train in km/h.