12.34.W - Lesson: Arithmetic Sequences & Series, Part 1

Identify the 12th term of the given arithmetic sequence.−1, −7, −13, −19, −25, ....

-67

Identify the 11th term of the given arithmetic sequence.−2, −9, −16, −23, −30, ....

-72

Identify the missing terms in the given arithmetic sequence.5, ?, ?, ?, −9.

1.5, −2, −5.5

Identify the 9th term of the given arithmetic sequence.5, 9, 13, 17, 21,...

37

Identify the missing terms in the given arithmetic sequence.3, ?, ?, ?, 23.

8, 13, 18

Determine whether the given sequence could be arithmetic. If so, identify the common difference and the next term.−1, 5, 11, 18, 25,...

false

Determine whether the given sequence could be arithmetic. If so, identify the common difference and the next term.−4, 4, 12, 20, 28,....

yes; 8, 36

Determine whether the given sequence could be arithmetic. If so, identify the common difference and the next term.−6, −11, −16, −21, −26,....

yes; −5, −31

Identify the missing terms in the given arithmetic sequence.1, ?, ?, ?, −17

−3.5, −8, −12.5