7.8 (Geometric Sequences) Formative Assessment

Find the common ratio for the geometric sequence.

• 10
• 1/2
• 2
• 4

Tags

CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• -4
• 4
• 1/4
• -1/4

Tags

CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 2
• -2
• 1/2
• -1/2

Tags

CCSS.HSF.BF.A.2

Find the common ratio for the geometric sequence.

• 1
• -1
• 7
• -7

Tags

CCSS.HSF.BF.A.2

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 10(2)^n-1
• a_n = 2(10)^n-1
• a_n = 10(2)ⁿ
• a_n = 2(10)ⁿ

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the following geometric sequence:

10, 20, 40, 80, ...

• a_n = 10(2)^n-1

• a_n = 2(10)^n-1

• a_n = 10(2)ⁿ

• a_n = 2(10)ⁿ

Tags

CCSS.HSF.BF.A.2

What is the 11th term of the geometric sequence?

• -5120
• 97,656,250
• 19,531,250
• -19,531,250

Tags

CCSS.HSF.BF.A.2

Find the 9th term in the following geometric sequence:

4, 8, 16, 32, ...

• 384

• 512

• 768

• 1,024

Tags

CCSS.HSF.BF.A.2

What does n represent?

• Number

• Nothing

• Term you are trying to find

Tags

CCSS.6.EE.B.6