Arithmetic Sequences

For the sequence 8, 11, 14, 17, 20, … , what is a₅?

• 8

• 3

• 20

• 23

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is a₁?

• 8

• 3

• 20

• 23

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is a_0?

• 8

• 3

• 5

• 11

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is a_6?

• 8

• 3

• 20

• 23

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is the common difference?

• 8

• 3

• 20

• 23

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is the recursive formula?

• a_n=a_n-1 + 8

• a_n=a_n-1 + 5

• a_n=a_n-1 + 3

• a_n=a_n-1 + 1

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is the explicit formula (do not simplify)?

• a_n=8 + 3(n - 1)

• a_n=3 + 8(n - 1)

• a_n=5 + 3(n - 1)

• a_n=3 + 5(n - 1)

Tags

CCSS.HSF.BF.A.2

For the sequence 8, 11, 14, 17, 20, … , what is the explicit formula? (Simplify)

• a_n=8 + 3n

• a_n=3 + 8n

• a_n=5 + 3n

• a_n=3 + 5n

Tags

CCSS.HSF.BF.A.2

Assess yourself on arithmetic sequences.

• 4: I understand it well enough that I could teach someone else.

• 3: I’m pretty good at it but sometimes make careless mistakes.

• 2: I’m still learning it and need the teacher’s help.

• 1: I’m confused and don’t understand most of it.

Tags

CCSS.HSF.BF.A.2