Sequences

What is the next term in the series? 15, 35, 55...

• 55
• 15
• 32
• 75

Tags

CCSS.HSF.BF.A.2

Determine the first 3 terms of the following sequence.
t₁= -3; t_n=5+t_n-1

• -3, -8, -13
• -3, 2, 7
• -3, -2, -7
• -3, 8, 13

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

Find the next three terms: 4, 12, 36, 108, ...

• 324, 972, 2916
• 972, 2916, 8748
• 405, 1215, 3645

Tags

CCSS.HSF.BF.A.2

225,75,25,8.33

• Geometric sequence with a common ratio of 1/3
• Geometric sequence with a common ration of 3
• Arithmetic sequence with a common difference of 58
• Common difference of 3

Tags

CCSS.HSF.BF.A.2

900, 450, 225, 112.5

• Geometric sequence with a common ratio of 1/2
• Geometric sequence with a common ration of 2
• Arithmetic sequence with a common difference of 450
• Common difference of 2

Tags

CCSS.HSF.BF.A.2

What is the explicit rule for the sequence:
11, 22, 44, 88...

• a_n = 2(11)^n-1
• a_n = 11x2
• a_n = 11(2)^n-1
• a_n+1 = a_{n *} 2;  a₁ = 11

Tags

CCSS.HSF.LE.A.2