Arithmetic Sequences

What is the common difference in an arithmetic sequence?

• Common ratio

• Common sum

• Common product

• Common difference

What is the recursive rule for an arithmetic sequence?

• a sub n = a sub n-1 + d

• a sub n = a sub n-1 * d

• a sub n = a sub n-1 - d

• a sub n = a sub n-1 / d

How can the repeated addition in an arithmetic sequence be written?

• Subtraction

• Multiplication

• Division

• Addition

What is the apparent formula for an arithmetic sequence?

• a sub n = a sub 1 + d * (n - 1)

• a sub n = a sub 1 * d * (n - 1)

• a sub n = a sub 1 - d * (n - 1)

• a sub n = a sub 1 / d * (n - 1)

What is the common difference in the sequence: 55, 48, 41, 34, 27, ...?

• -7

• 7

• -6

• 6

What is the apparent formula for the sequence: -1/4, -1/2, -3/4, -1, ...?

• a sub n = -1/4 + (-1/4) * (n - 1)

• a sub n = -1/4 - (-1/4) * (n - 1)

• a sub n = -1/4 + (-1/2) * (n - 1)

• a sub n = -1/4 - (-1/2) * (n - 1)

What is the value of a sub 10 in the sequence: 12, 22, 32, 42, ...?

• 122

• 112

• 132

• 142

What is the value of a sub 5 in the sequence: 12, 22, 32, 42, ...?

• 52

• 62

• 72

• 82

What is the value of a sub 5432 in the sequence: 12, 22, 32, 42, ...?

• 54322

• 54312

• 54332

• 54342

What is the value of a sub 1 in the sequence: 12, 22, 32, 42, ...?

• 2

• 12

• 22

• 32