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We obtain the Binet's formula for k-Pell numbers and as a consequence we get some properties for k-Pell numbers. Also we give the generating function for k-Pell sequences and another expression for the general term of the sequence, using the ordinary generating function, is provided.

We obtain the Binet's formula for k-Pell-Lucas numbers and as a consequence we obtain some properties for k-Pell-Lucas numbers. Also we give the generating function for the k-Pell-Lucas sequences and another expression for the general term of the sequence, using the ordinary generating function, is provided.Mathematics Subject Classification: 11B37, 05A15, 11B83.

We obtain some identities for k-Fibonacci numbers by using its Binet's formula. Also, another expression for the general term of the sequence, using the ordinary generating function, is provided.Mathematics Subject Classification: 11B37, 11B83, 05A15

In this paper we consider the k-Pell numbers sequence and present some properties involving the k-Pell numbers. The theoretical basis of using generating matrices for deriving the explicit formula for the term of order n of the k-Pell numbers sequence and also to get the well-known Cassini's identity using linear algebra.