4.4 - 4.6 Review

Find the common difference of the arithmetic sequence: 13, 18, 23, 28, . . .

• +5

• -5

• 8

• 1/5

What does the "d" stand for in the equation of an arithmetic sequence?

• The common difference.

• The position in the sequence.

• The first term.

• The term in the n^th position.

What does the "n" stand for in the equation of an arithmetic sequence?

• The common difference.

• The position in the sequence.

• The first term.

• The term in the n^th position.

What does the "a_n" stand for in the equation of an arithmetic sequence?

• The common difference.

• The position in the sequence.

• The first term.

• The term in the n^th position.

Which equation fits the arithmetic sequence: 4, 12, 20, 28, . . .

• a_n = -4 + 8n

• a_n = 4 + 8n

• a_n = -4 - 8n

• a_n = 4 - 8n

Which equation fits the arithmetic sequence: −1, −3, −5, −7, . . .

• a_n = 1 - 2n

• a_n = 1 + 2n

• a_n = -1 - 2n

• a_n = -1 + 2n

Which equation fits the arithmetic sequence: −15, 0, 15, 30, . . .

• a_n = -30 + 15n

• a_n = -30 - 15n

• a_n = -15 + 15n

• a_n = -15 - 15n

Find the common difference of the arithmetic sequence: −16, −12, −8, −4, . . .

• +4

• -4

• 0

• 1/4

Find the common difference of the arithmetic sequence: 175, 150, 125, 100, . . .

• -25

• +25

• 75

• -1/25

Write the next three terms of the arithmetic sequence: 19, 22, 25, 28, . . .