Arithmetic and Geometric Series(Quiz - Review)

Which arithmetic sequence best follows the sequence
-5, -3, -1, 1, 3, 5...

• 2 -5(n-1)
• -5 +2(n-1)
• -5(2)^n-1
• 2(-5)^n-1

Tags

CCSS.HSF.BF.A.2

What are the next values in the sequence? 
-5, 10, -50, 250...

• -255, 260, -265, 270
• 500, -1000, 5000, -10000
• -500, 1000, -5000, 10000
• -1250, 6250, -31250, 156250

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Which sequence is represented by the equation 2(7)^n-1 ?

• 7, 14, 28, 56...
• 2, 14, 98, 686...
• 2, 9, 16, 23...
• 7,9,11,13...

Tags

CCSS.HSF.BF.A.2

What formula best represents the sequence
14, 1, -12, -25, -38, 

• a_n= 14 - 13(n-1)
• a_n= 14 + 13(n-1)
• a_n= 14( -13)^(n-1)
• a_n= 14(13)^(n-1)

Tags

CCSS.HSF.BF.A.2

What sequence follows the formula  a_n =4n+11

• 4, 15, 26, 37...
• 15, 19, 23, 27...
• 15, 26, 37, 48...
• 11,15, 19, 23...

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.1

Which recursive formula best describes the following sequence:
3, 8, 13, 18, 23...

• a_n = (3)^n-1 ; a₁ =5
• a_n = (5)^n-1 ; a₁ =3
• a_n = a_n-1+3 ; a₁ =5
• a_n = a_n-1+5 ; a₁ =3

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Which sequence best follows the formula
a_n= a_n-1 + 9;  a₁= -99

• -99, -108, -117, -126...
• -99, -90, -81, - 72...
• 9, -90, - 189, -288
• 9,-90, 189, -288

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

Which recursive formula best describes the sequence
2, -6, 18, - 54... 

• a_n=a_n-1* -4, a₁ = 2
• a_n=a_n-1* - 8, a₁ =2
• a_n=a_n-1* 2, a₁ = -3
• a_n=a_n-1* -3, a₁ =2

Tags

CCSS.HSF.IF.A.3

Find the indicated sum of the series if  $a_1=-3,\ r=-2,\ n=6.$  

• 96

• 63

• -33

•  $\frac{-189}{2}$  

Tags

CCSS.HSA.SSE.B.4

Find the indicated sum of the series if  $a_1=58,\ n=18,\ a_n=14$  

• 648

• 666

• 630

• 612

Tags

CCSS.HSA.SSE.B.4