human
Recognise when a descending sequence is quadratic Tom and Katie are discussing quadratic sequences.

Tom says this is a quadratic sequence: \( 24,15,8,3,0 \ldots \)

Katie says this is a quadratic sequence: \( 124,63,26,7,3,0, \ldots \)

Who is correct? Neither is correct
gpt
Thinks a decreasing sequence cannot be quadratic