Geometric Sequences

Presentation

•

Mathematics

•

9th - 12th Grade

•

Medium

•

CCSS

HSF.BF.A.2

Standards-aligned

Quevon Spriggs

Used 293+ times

FREE Resource

5 Slides • 9 Questions

Geometric Sequences

At this point, you should have already watched the teacher time notes. Please use this activity to solidfy your knowledge on Geometric Sequences before taking the "Ticket" for this lesson.

Determine if a sequence is geometric

Multiple Choice

Is the sequence 2, 4, 12, 48,... geometric?

yes

Multiple Choice

Is the sequence 256, 64, 16, 4,... geometric?

yes

Find the common ratio

Multiple Choice

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

Multiple Choice

Find the common ratio: 4, -16, 64, -256, ...

r = -4

r = 2

r = -2

r = 4

Find the next three terms

Multiple Choice

Find the next three terms: -4, -12, -36, -108, ...

36, -108, 324

-324, -972, -2916

324, -972, 2916

-108, 324, -972

Multiple Choice

Find the next three terms: 4, 12, 36, 108, ...

324, 972, 2916

972, 2916, 8748

405, 1215, 3645

Multiple Choice

Find the 11^th term for: 64, -32, 16, -8, …

-.0625

.0625

-.03125

.03125

Multiple Choice

Which sequence is represented by the equation 2(7)^n-1 ?

7, 14, 28, 56...

2, 14, 98, 686...

2, 9, 16, 23...

7,9,11,13...

Multiple Choice

Write an explicit rule for the general term of the sequence 5, 15, 45, . . . ?

a_n = a_n-1 x 3

a_n = 5(3)^n-1

a_n = 3(5)^n-1

a_n = 5 + (n-1)3

Geometric Sequences

At this point, you should have already watched the teacher time notes. Please use this activity to solidfy your knowledge on Geometric Sequences before taking the "Ticket" for this lesson.

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