Arithmetic and Geometric Sequences

a₁=2, r=−2, Sn = 22

Determine the number of terms n in the series

• 6

• 8

• 7

• 5

Tags

CCSS.HSA.SSE.B.4

−4, −12, −36, −108, ...

Find the common ratio

• r=−2

• r=3

• r=−3

• r=2

Tags

CCSS.HSF.BF.A.2

4, 24, 144, 864, ...

Find the next 3 terms

• 1024, 4096, 16384

• 256, −1024, 4096

• 256, 1024, 4096

• 5184, 31104, 196624

Tags

CCSS.HSF.BF.A.2

1, −2, 4, −8, ... Find a₁₁

• −512

• 1024

• −1024

• 512

Tags

CCSS.HSF.BF.A.2

Which of the following is not an Arithmetic Progression?

• 1, 4, 7, 10, .....

• 3, 7, 12, 16, ......

• -5, -2, 1, 4, .....

• 11, 14, 17, 20, .....

Tags

CCSS.HSF.BF.A.2

Find the 10th term.

• 16

• 21

• 12

• 30

Tags

CCSS.HSF.BF.A.2

An arithmetic sequence has a₁₅=160 and a common difference of -15. Find a₄₀.

• 535

• -170

• 370

• -215

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32

• 64

• 127

• 356

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1

• a_n = 3(4)^n-1

• a_n = -4(3)^n-1

• a_n = 3(-4)^n-1

Tags

CCSS.HSF.BF.A.2