Arithmetic/Geometric review

Identify the type of sequence: -16, -13, -10, -7,...

• Arithmetic

• Geometric

• Neither

Identify the type of sequence: 3, 6, 12, 24....

• Arithmetic

• Geometric

• Neither

Identify the type of sequence: -5, 10, -20, 40...

• Arithmetic

• Geometric

• Neither

Identify the common ratio: -5, 15, -45, 135...

• 3

• -3

• 20

• -20

Find the common difference: -18, -23, -28, -33,...

• 5

• 3

• -5

• -3

Using the explicit formula for the sequence find the 35th term. -10, -14, -18, -22,...

• -216

• -146

• -148

• -150

Using the explicit formula find the 26th term in the arithmetic sequence: 20, 26, 32, 38,...

• 182

• 176

• -118

• 170

Use the explicit formula to find the 7th term in the geomteric sequence: 512, 256, 128,..

• 2

• 4

• 6

• 8

Using the explicit formula find the 15th term of the geometric sequence: 10, 20, 30, 40...

• 163840

• 327680

• 150