Hark the Arithmetic Sequences!

Find the 25th term of the sequence if t₁ = 5 and d = 0.5

[hint: write an explicit formula first, then find the 25th term!]

• 18

• 17

• 15

• 14

Find the common difference and the next 3 terms in the sequence; -14,-5, 4, 13

• d = 13; 26, 39, 52

• d = 4; 17, 21, 25

• d = -14; -1, -15, -30

• d = 9; 22, 31, 40

Find the common difference and the next 3 terms in the sequence; -39,-47, -55, -63

• d = 8; -55, -47, -39

• d = -8; -71, -79, -87

• d = -5; -68, -73, -78

• d = 5; -58, -53, -48

What is the 15th term of the sequence t_n = -3n+50

• 95

• -5

• 5

• -95

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

What is the initial value for:

-6, 1, 8, 15...

• -13

• 13

• 1

• -12

Given the recursive formula, find the first four terms:

t(n + 1) = t(n) + 5

t(1) = -16

• -16, -21, -26, -31

• 5, -11, -27, -43

• -16, -80, -500, -200

• -16, -11, -6, -1

What color is the Grinch?

• Green
• Blue
• White
• Black

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

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

• 8
• 11
• -11
• -8