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Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Unit

Unit 10

108 practice questions

Topics covered

Practice questions

31–40 of 108

  1. Question 31

    4 marks · Normal

    A table shows two separate algebraic fractions for different values of :

    Values for \( f(x) = \frac{3}{x} \) and \( g(x) = \frac{x}{2} \)
    xf(x)g(x)
    23/21
    43/42
    61/23

    Complete the table below for the sum . Give your answers as simplified fractions.

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  2. Question 32

    2 marks · Normal

    Solve the following equation for :

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  3. Question 33

    3 marks · Normal

    Simplify the following algebraic fraction as much as possible:

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  4. Question 34

    3 marks · Normal

    You are asked to subtract the two algebraic fractions below and express your answer as a single simplified fraction:

    Describe the steps you will use to obtain your answer, and explain why the common denominator should be left factorised until the end.

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  5. Question 35

    2 marks · Hard

    Simplify the following algebraic fraction as far as possible:

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  6. Question 36

    4 marks · Hard

    Express the following as a single simplified fraction:

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  7. Question 37

    4 marks · Hard

    Solve the following equation for x. Give your answer in its simplest form.

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  8. Question 38

    1 mark · Easy

    The position of a particle moving in a straight line is given by , where is the displacement in metres and is the time in seconds.

    Write down the velocity of the particle.

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  9. Question 39

    2 marks · Easy

    Differentiate with respect to .

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  10. Question 40

    3 marks · Easy

    A particle moves along a straight line. Its displacement after seconds is given by , where is in metres.

    (a)

    Find an expression for the velocity of the particle in terms of .

    [1 mark]
    (b)

    Calculate the acceleration of the particle when seconds.

    [2 marks]
    Answer and see the solution →