Arithmetic and geometric sequences

Which kind of sequence has a common difference?

• Arithmetic

• Geometric

The next two terms of the sequence 4,7,10,13 are

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

What are the next 3 terms in this sequence of terms?     3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

What does a₁ represent?

• Any term

• First term

• Last term

Find the common ratio for the geometric sequence.

• 10
• 1/2
• 2
• 4

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1
• a_n = 3(4)^n-1
• a_n = -4(3)^n-1
• a_n = 3(-4)^n-1

Determine the common ratio for the geometric sequence:
2, -12, 72, ...

• 6
• -⅙
• -6
• ⅙

Find the first term of the given sequence:
a₁₄=68
d=3

• 14
• 20
• 26
• 29

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither