Question

Which best describes the relationship between the successive terms in the sequence shown?

Answer 1

2.4, -4.8, 9.6, -19.2,…
 × -2   × -2   × -2

$a_{n} = a_{1}r^{n - 1}$
$a_{n} = 2.4(-2)^{n - 1}$

The relationship that is between the successive terms in the sequence shown is that it is multiplied by -2.