Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter
Graphs 9
18 practice questions
Practice questions
1–3 of 3 · Hard
Question 1
2 marks · Hard
Answer and see the solution →Differentiate the function with respect to , and state the value of the gradient when .
Question 2
4 marks · Hard
Answer and see the solution →(a)[2 marks]Find the coordinates of the stationary points of the curve .
(b)[2 marks]Determine the nature (maximum or minimum) of each stationary point.
Question 3
4 marks · Hard
Answer and see the solution →A particle moves along a straight line such that its displacement after t seconds is given by , where s is in metres.
(a)[2 marks]Find the times when the particle is at rest.
(b)[2 marks]Explain how you would determine whether the particle is speeding up or slowing down at seconds.