Arithmetic Sequence

What's the Meaning

100

the first term

What is a₁

200

the position of a term in a sequence

What is the "n" value

300

a_n = a₁(r)^n-1

What is a geometric sequence

400

the common difference

What is "d"

500

a_n=a₁+d(n-1)

What is arithmetic sequence

Arithmetic Sequence or Nah?

100

8,10,12,14,16

What is arithemtic

200

2,6,10,16,22,26

What is nah

300

4.25,4.55,4.85,5.15,5.45

What is arithmetic

400

4,8,16,32,64

What is nah

500

3/4, 1, 5/4, 3/2, 7/4, 2

What is arithmetic

What is the common difference?

100

5,8,11,14,17

What is 3

200

-8, -3, 2, 7, 12

What is 5

300

200,140,80,20,-40,-100

What is -60

400

3/2, 7/4, 2, 9/4, 5/2, 11/4

What is 1/4

500

4.5, 3.75, 3, 2.25, 1.5

What is -0.75

Find the nth term...

100

Find a₁₆ given a₁=9 and d=2

What is 39

200

Find a₂₀₀ given a₁= -40 and d= 5

What is 955

300

Find a₁₀ given a₁= -8 and d= 10

What is 82

400

Find a₅₀ given a₁= 14 and d=-0.25

What is 1.75

500

Find a₁₂ given a₁= 6 and d = 1/2

What is 23/2

Up in the air...

100

Identify the d in the arithmetic sequence formula: a_n=7-4(n-1)

What is -4

200

Identify the a₁ in the arithmetic sequence formula: a_n=6+(n-1)-5

What is 6

300

Write a formula for the sequence: 7,3,-1,-5

What is an=7+(n-1)(-4)

400

Write a formula for a₁= -70 and d=-5

What is an= -70 + (n-1)(-5)

500

Find a₂₀ given the formula: a_n=-20 + (n-1)(-4)

What is -96