Sequences and Series Formative

Write the recursive formula for 4, 8, 12...

• a₁= 8, a_n=a_n-1-7

• a₁= 4, a_n=a_n-1-4

• a_n=a_n-1+4

• a₁= 4, a_n=a_n-1+4

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.  (Hint:  Simplify your equation.)

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Tags

CCSS.HSF.BF.A.2

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47 + ...?

• 1,600
• 18,235
• 18,475
• 19,125

• 149
• 11,200
• 5,600
• 140

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

• _gn = 2(11)^n-1
• _gn = 11x2
• _gn = 11(2)^n-1
• g_n = 11+(2)^n-1

Tags

CCSS.HSF.BF.A.2

Find the geometric sum 

• -1456
• -4095
• 1456
• 4095

Tags

CCSS.HSA.SSE.B.4

What 3 terms come next in the sequence? 
144, 72, 36

• 36, 18, 9
• 18, 16, 9
• 18, 9, 4.5
• 4.5, 9, 16

Tags

CCSS.HSF.BF.A.2