, , , , , , ,

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by gives the next term. In other words, .

Geometric Sequence:

This is the form of a geometric sequence.

Substitute in the values of and .

Remove parentheses.

Substitute in the value of to find the th term.

Subtract from .

Raise to the power of .

Multiply by .

Find the 10th Term -8 , -24 , -72 , -216 , -648 , -1944 , -5832 , -17496