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Edexcel IGCSE Math A Foundation 2.3 D Formulae From Mathematics and Other Real Life Contexts Questions

Practise context-formula questions by assigning letters to quantities, multiplying repeated amounts and writing a single expression or formula.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Write a cost or quantity formula from worded information using the stated letters.
  • Use a number machine or rule to form an expression in the input variable.
  • Include coefficients and constants correctly when repeated groups or fixed amounts appear.

Edexcel IGCSE Math A Foundation 2.3 D Formulae From Mathematics and Other Real Life Contexts Questions question 1

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Here is a number machine.

Figure for Question Edexcel IGCSE Math A Foundation 2.3 D Formulae From Mathematics and Other Real Life Contexts Questions question 1 — Edexcel IGCSE Math A Foundation

Find an expression, in terms of y, for the output.

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