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Exam (elaborations)

Edexcel paper 2022

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6.4 has been rounded to one decimal place. Write down the error interval. b) 6.4 has been truncated to one decimal place. Write down the error interval. ………….. ≤ x < ………….. (2 marks) 3. a) Simplify 30

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Uploaded on
November 18, 2022
Number of pages
24
Written in
2022/2023
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Every Topic on the Edexcel
2022 Advanced Information
Practice Booklet
Paper 2 (Calculator)

Higher Tier




How it all Works!

Work through the practice booklet,
scan the code, watch the live
tutorial and check your answers!

Try it out!

Disclaimer: There is no guarantee that a ny specific topic will be examined this way in the
summer and you cannot rely on this as your only source of revision. Please visit the
YouTube channel for i n depth lessons on each of the top ics within this document along with
any recommended revi sion that h as been instructed by your education provider.


www.thegcsemathstutor.co.uk

, Answer ALL questions.
Write your answers in the spaces provided.
You must write down all the stages of your working.

1. a) 6.4 has been rounded to one decimal place.
Write down the error interval.


………….. ≤ x < …………..
(2 marks)
b) 6.4 has been truncated to one decimal place.
Write down the error interval.
………….. ≤ x < …………..
(2 marks)


3 4.3 ×𝑡𝑎𝑛39𝑜
2. a) Work out √
23.4−6.06

Write down all the digits on your calculator display.


…………………………………………..
(2 marks)
b) Round your answer to part (a) to 2 decimal places.


………………………..
(1 mark)


30𝑥 2 𝑦 3
3. a) Simplify
6𝑥𝑦 2




………………………..
(2 marks)
b) Simplify (2𝑥 2 𝑦)3



………………………..
(2 marks)

www.thegcsemathstutor.co.uk

, 4. a) Expand 𝑏(3𝑏 + 7)


………………………..
(1 mark)
b) Expand 3𝑦(5 − 4𝑦)


………………………..
(2 marks)


5. Expand and Simplify 3(5𝑥 + 4) − 2(3𝑥 − 2)




………………………..
(3 marks)


6. a) Expand and Simplify (𝑥 + 3)(𝑥 − 5)




………………..……………………..
(1 mark)

b) Expand and Simplify (2𝑥 − 3)(3𝑥 − 4)




………………..……………………..
(2 marks)




www.thegcsemathstutor.co.uk

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