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Grade 10 · Patterns
Number Patterns: Linear Sequences (Grade 10)
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/ 16
Answer all questions. Show all your working — marks are awarded for method as well as the final answer.
- 1Write down the constant difference of 5 ; 8 ; 11 ; 14 ; …(2)
- 2Determine the general term Tₙ of 5 ; 8 ; 11 ; 14 ; …(2)
- 3Calculate T₅₀ for the sequence 5 ; 8 ; 11 ; …(2)
- 4Which term of 5 ; 8 ; 11 ; … is equal to 47?(2)
- 5Is 100 a term of the sequence 5 ; 8 ; 11 ; …? Justify.(2)
- 6Determine the general term of 7 ; 11 ; 15 ; 19 ; …(2)
- 7Determine the general term of 20 ; 17 ; 14 ; 11 ; …(2)
- 8Explain why a linear sequence plots as a straight line.(2)
TOTAL: 16 marks