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Quadratic sequences can also be called quadratic algebraic sequences. Here are two examples of quadratic sequences: 4, 7, 12, 19, 28 requires adding to work out that the second difference is +2. and. 1, −4, −15, −32, −55 requires subtracting to work out that the second difference is −6.
- Geometric Sequences
A negative value for r means that all terms in the sequence...
- Arithmetic Sequence
For example in the arithmetic sequence 3, 9, 15, 21, 27, the...
- Quadratic Nth Term
For the quadratic sequence n^{2}=1, 4, 9, 16, 25 , …the...
- Recurrence Relation
For this sequence, the rule is add four. Each number in a...
- Inequalities
We can solve quadratic inequalities to give a range of...
- Laws of Indices
For examples and practice questions on each of the rules of...
- Functions in Algebra
Functions In Algebra. Here we will learn about functions in...
- Substitution
Free substitution GCSE maths revision guide including step...
- Geometric Sequences
Revision notes on Quadratic Sequences for the Edexcel GCSE Maths syllabus, written by the Maths experts at Save My Exams.
24 paź 2021 · Quadratic functions are polynomial functions of degree two. For example, \(f(x) = x^2\) is a quadratic function. This section will explore patterns in quadratic functions and sequences. Identifying patterns within a function table gives us valuable clues to build the right function to match the mathematical pattern.
Quadratic sequences are sequences that include an \(n^2\) term. They can be identified by the fact that the differences in between the terms are not equal, but the second differences between...
Quadratic Sequences. A quadratic sequence is a sequence whose n^ {th} term formula is a quadratic i.e. it has an n^2 term, so takes the form, \textcolor {red} {a}n^2+\textcolor {blue} {b}n+\textcolor {limegreen} {c}, where a, b, and c are all numbers.
How to find the nth term of a quadratic sequence, cubic sequence, How to find the nth (general) term of a quadratic sequence by using a method of differences, GCSE Maths, with video lessons, examples and step-by-step solutions.
Example 1. Work out the \ (nth\) term of the sequence 2, 5, 10, 17, 26, ... Work out the first differences between the terms. The first differences are not the same, so work out the second...