Arithmetic Sequence

Which sequence(s) represent an arithmetic sequence?

• a and e
• a, b, and e
• b, c, and d
• b

Tags

CCSS.HSF.BF.A.2

Write the explicit rule for this situation.

• f(n) = 35 + 3(n − 1)
• f(n) = 35 −3(n − 1)
• f(n) = 3 + 35(n − 1)
• f(n) = −3 + 35(n − 1)

What is the common difference?

• −16
• 84
• 16
• 0

Tags

CCSS.HSF.BF.A.2

Find f(6) or a₆ for this situation.

• 60
• 160
• 280
• 150

Tags

CCSS.HSF.IF.A.2

Write the first four terms in the sequence.

• 12, 14, 16, 18
• 12, 10, 8, 6
• 14, 12, 10, 8
• 14, 16, 18, 20

Tags

CCSS.HSF.BF.A.2

The explicit rule for arithmetic sequence is a_n = a₁ + d(n − 1), what does the d represent.

• common denominator
• common difference
• common divider
• uncommon difference

Tags

CCSS.HSF.BF.A.2

Using this explicit rule a_{n = 2n + 5, write the first four terms in the sequence.}

• 7, 9, 11, 13
• 5, 7, 9, 11
• 7, 5, 3, 1
• 5, 3, 1, −1

Tags

CCSS.HSF.BF.A.2

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.HSF.BF.A.2

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

• d = -10
• d = -9
• d = -8
• d = -7

Tags

CCSS.HSF.BF.A.2

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

Tags

CCSS.HSF.BF.A.2