Edexcel IGCSE Math A Higher 3.1 Ha First Term and Common Difference Questions

Practise the arithmetic-proof question by subtracting consecutive algebraic terms, simplifying both differences and showing they match.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • Subtract consecutive algebraic terms to form expressions for the common difference.
  • Simplify both differences and prove the given terms form an arithmetic sequence.

Edexcel IGCSE Math A Higher 3.1 Ha First Term and Common Difference Questions question 1

[Maximum number: 4]

21(2 x+23),(8 x+2) and ( 20 x-52 ) are three consecutive terms of an arithmetic sequence.
Prove that the common difference of the sequence is 12

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