Geometric Sequence and Means

What is the common ratio in the geometric sequence 12, 36, 108, 324,...?

• 3

• -3

Fill in the blank to make the sequence be geometric. 12, 36, 108, 324,______, 2916

What is the 8th term of a geometric sequence 5, -10, 20, ...?

• 540

• -540

• 640

• -640

The first term of a geometric sequence is 8 and the second term is 32, find the fifth term.

• 2046

• 2048

• 2050

• 2052

The "a" value in f(x)=a(b)^x for geometric sequences represents what?

• first term

• term we're looking for, minus one

• common difference

• common ratio

Find the first 6 terms of the sequence

• 1, 2, 6, 18, 54, 162

• 2, 6, 18, 54, 162, 486

• -2, -6, -18, -54, -162, -486

• -2, 1, 4, 7, 10, 13

________ are numbers between any two given terms of a geometric sequence.

In a geometric sequence 4, 8, 16, 32, 64. 4 and 64 in called ________

What is the common ratio of a geometric sequence 25,175, 1225,8575,...

• -7

• 7

What kind of sequence is -1, -3, -9, -27, ...?

• Arithmetic Sequence

• Geometric Sequence