Quiz Arithmetic and Geometric Sequence

Is the sequence arithmetic: 37, 31, 25, 19, ...

Select the correct answer

• No, because there is no common difference

• Yes, it has a common difference d = - 6

Select all sequences that are not arithmetic!

Select all the correct answer(s)

• 24, 4, -16, ...

• 5, 7, 11, 17, ...

• 2, 4, 8, ...

• 12, 17, 22, ...

• -4, 8, -16, ...

Find the common difference: 29, 21, 13, 5, ...

• d = -10
• d = -9
• d = -8
• d = -7

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

• -1, 7, 15
• -5, 2, 9
• 3, 12, 21
• -65, -73, -81

Find the 32nd term of this arithmetic sequence.

34, 37, 40, 43, ...

Then select the correct answer! (Show your work on paper)

• 32

• 64

• 127

• 356

Find the missing terms(arithmetic means) for sequence.

..., 98, ____, _____, 50, ...

Select the correct answer.

• 85, 69

• 84, 67

• 83, 65

• 82, 66

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...? ( using the arithmetic sum formula)

Show your work on paper!

• 1,600

• 18,235

• 18,475

• 19,125

Determine the sum of the series written in Sigma Notation.

Show your work on paper then select the correct answer!

• 45

• 49

• 90

• 47

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic
• Geometric
• Neither

What is the twelfth term in the geometric sequence 3, -6, 12, . . . ?

Show your work on paper!

• -2,048

• 6,144

• -6,144

• -531,441