A quick way of calculating the mean of an arithmetic sequence is to use the observation that, when the first and last terms are added, the sum is the same as when the second and next to last terms are added or the third and third to last terms. As a result, the sum of the sequen...
but it’s really pretty simple. An arithmetic sequence is a sequence of numbers where the difference between any two successive elements is always the same constant value. For example, the sequence of years since the start of the new millennium is an arithmetic...
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In a geometric sequence, each term is equal to the previous term times a constant, non-zero multiplier called the common factor. Geometric sequences can have a fixed number of terms, or they can be infinite. In either case, the terms of a geometric sequence can rapidly become very large,...
The following sequence is an arithmetic sequence: 7,10,13,16,19,…… (1) What is the difference between the 5th number and the 1st number? (2) What is the difference between the 14th number and the 10th number?相关知识点: 试题来源: ...
The sequence 2, 4, 6, 8,... is an arithmetic sequence. What is the common difference? A. 1 B. 2 C. 3 D. 4 相关知识点: 试题来源: 解析 B。解析:这个数列是等差数列,后一项减去前一项为定值,4-2=2,6-4=2,8-6=2,所以公差是 2。
Pattern is also known as a sequence. The list of numbers that are arranged using specific rules is called a pattern. Mention two different types of number patterns. The two different types of number patterns are: Arithmetic Pattern, Geometric Pattern....
The Fibonacci sequence can be described using a mathematical equation: Xn+2= Xn+1+ Xn You may like When was math invented? How do we know pi is an irrational number? 'Cosmic tornadoes', surprises from ancient Egypt and more. Fibonacci sequence history ...
The central objective for any subject-centered approach to curriculum is student mastery of content knowledge. The teacher presents content and skills to students in a logical sequence. This step-by-step approach ensures that students gain all the information and skills needed to master this content...
The common difference of an arithmetic sequence is 2 and the fifth term is 15. What is the first term? A. 5 B. 7 C. 9 D. 11 相关知识点: 试题来源: 解析 B。解析:设首项为 a1,根据等差数列通项公式 an = a1 + (n - 1)d,这里 a5 = 15,d = 2,n = 5,代入可得 15 = a1 +...