Find the 7th term of the geometric sequence with the given terms.

1. a4=54, a5=162

2. a4=-4, a6=-100

Question

Mathematics

Inchworm

17 December, 06:58

Find the 7th term of the geometric sequence with the given terms.

1. a4=54, a5=162

2. a4=-4, a6=-100

+3

Answers (1)

Know the Answer?

Jacoby Henson · Answer 1

1. 1458

2. 500 or - 500

Step-by-step explanation:

1. a4=54, a5=162

r = 162/54 = 3

a7 = a5 * r²

= 162 * 3² = 1458

2. a4=-4, a6=-100

r² = - 100/-4 = 25

r = + / - 5

a7 = a6 * r

= - 100 * + / - 5

= + / - 500

Find the 7th term of the geometric sequence with the given terms.1. a4=54, a5=1622. a4=-4, a6=-100

Find the 7th term of the geometric sequence with the given terms.

1. a4=54, a5=162

2. a4=-4, a6=-100