Geometric Sequences Check-In

Front

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

Back

r = -4

Tags

CCSS.HSF.BF.A.2

Front

Find the common ratio: 64, -16, 4, -1, ...

Back

r = -1/4

Tags

CCSS.HSF.BF.A.2

Front

Find the common ratio: -3, -9, -27, -81, ...

Back

r = 3

Tags

CCSS.HSF.BF.A.2

Front

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

Back

324, 972, 2916

Tags

CCSS.HSF.BF.A.2

Front

What is the 14th term of the geometric sequence?

Back

4,782,969

Tags

CCSS.HSF.BF.A.2

Front

What is the 11th term of the geometric sequence?

Back

-19,531,250

Tags

CCSS.HSF.BF.A.2

Front

Write the explicit formula for the geometric sequence. Options: a_n = 2(100)^n-1, a_n = 100(2)^n-1, a_n = 100(1/2)^n-1, a_n = (1/2)(100)^n-1

Back

a_n = 100(1/2)^n-1

Tags

CCSS.HSF.BF.A.2

Front

Write the explicit formula for the geometric sequence. Options: a_n = 162(2/3)^n-1, a_n = (2/3)(162)^n-1, a_n = 162(3/2)^n-1, a_n = 162 + (n-1)(-54)

Back

a_n = 162(2/3)^n-1

Tags

CCSS.HSF.BF.A.2

Front

Write the explicit formula for the geometric sequence. Options: a_n = 10(2)^n-1, a_n = 2(10)^n-1, a_n = 10(2)ⁿ, a_n = 2(10)ⁿ

Back

a_n = 10(2)^n-1

Tags

CCSS.HSF.BF.A.2

Front

Given the recursive formula, find the first four terms:
a_n = -3⋅a_n-1
a₁ = 45

Back

45, -135, 405, -1215

Tags

CCSS.HSF.BF.A.2