įor more teaching and learning support on Algebra our GCSE maths lessons provide step by step support for all GCSE maths concepts. Looking forward, students can progress with other sequences worksheets and on to additional algebra worksheets, for example a simplifying expressions worksheet or simultaneous equations worksheet. The first term and the common ratio can be used to write the nth term of a geometric sequence (or position-to-term formula). If the number sequence is decreasing this means that the common ratio is less than one. Geometric Progressions for new GCSE Subject: Mathematics Age range: 5-7 Resource type: Other 32 reviews File previews pptx, 2. If the number sequence is increasing this means that the common ratio is greater than one. In this section we will look at arithmetic sequences and in the next section, geometric sequences. The common ratio can also be used to find other missing terms in the sequence by multiplying or dividing terms by it. Arithmetic and Geometric Sequences Worksheets. Determine if a Sequence is Arithmetic The last section introduced sequences and now we will look at two specific types of sequences that each have special properties. The common ratio can be found by dividing consecutive terms of the geometric sequence and can be used to find the next term in the sequence by multiplying the previous term by the common ratio. The number sequence may have integers, fractions, decimals or a combination. is a geometric sequence where a and r 2 2, -2, 2, -2. is a geometric sequence where a -4 and r -1/2, 2, 4, 8. A geometric sequence is a number sequence with a common ratio. is a geometric sequence where a 1/4 and r 1/2 -4, 2, -1, 1/2, -1/4.
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