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What is it called when the constant difference of any term and the previous term?
In an arithmetic sequence, the difference between any term and the previous term is a constant.
A term that has no variable?
... is called a constant term. (I couldn't delete this ... see Anand Mehta above.)
What are a sequence of seven such numbers?
A sequence of seven numbers is a set of numbers arranged in a specific order. Each number in the sequence is called a term. For example, a sequence of seven numbers could be {1, 3, 5, 7, 9, 11, 13}, where each term differs by a constant value of 2. Sequences can follow different patterns, such as arithmetic sequences where each term is found by adding a constant value to the previous term, or geometric sequences where each term is found by multiplying the previous term by a constant value.
If the constant term of (x3 plus ax2)5 is equal to -270 then what is a?
Both terms in the binomial have positive exponents of x and so it is not possible for there to be a constant term in its expansion. If the second term is a negative power then it is not possible to tell whether it should be (a/x^2) or 1/(ax^2) which will yield different answers.
What is an absolute term?
An absolute term is the constant in a polynomial expression.
