Nth Term of a Geometric Sequence

What is the common ratio of this sequence ? 5, 25, 125, ...

• 4

• 2

• 5

• 6

Tags

CCSS.HSF.BF.A.2

What is the common ratio of the geometric sequence -1, 6, -36, 216, ...?

• -6

• 6

• 12

• -4

Tags

CCSS.HSF.BF.A.2

What is the common ratio of the geometric sequence -2, -8, -32, -128, ...?

• -4

• 4

• -2

• 2

Tags

CCSS.HSF.BF.A.2

What is the 5th term of the geometric sequence -2, -8, -32, -128, ...?

• -2048

• -512

• -256

• -384

Tags

CCSS.HSF.BF.A.2

Solving for the nth term of geometric sequence, given that a₁ = 4 and r= 6, what is the value of the 4th term?

• 144

• 864

• 124

• 764

Tags

CCSS.HSF.BF.A.2

Which of the following is a geometric sequence?

• 2, 4, 5, . . .

• 2, 6, 18, . . .

• 2, 4, 6, . . .

• 10, 20, 200, . . .

Tags

CCSS.HSF.BF.A.2

What is the 5th term of the sequence 7, 14, 28, ...?

• 72

• 48

• 56

• 112

Tags

CCSS.HSF.BF.A.2

The next term of the sequence 2,4,8,16 is

• 64

• 32

• 108

• 20

Tags

CCSS.HSF.BF.A.2

Find the 10th term of the following geometric sequence

5, 20, 80, 320, ...

• 81,920

• 327,680

• 1,310,720

• 5,242,880

Tags

CCSS.HSF.BF.A.2

 $a_n=a_1r^{n-1}$  

Given the formula for a geometric sequence , r stands for

• common difference

• wanted term

• common ratio

• first term

Tags

CCSS.HSF.BF.A.2