If the \(n\)th term of a quadratic sequence is known, we can work out the terms in that sequence and also use knowledge of solving equations to determine if a specified number is a term in the ...

To work out whether 14 is in this sequence, put the nth term equal to the number and solve the equation. The \(n^{th}\) for a quadratic sequence has a term that contains \(x^2\). Terms of a ...