Arithmetic Sequence

1. A sequence which consecutive terms have a common difference is a/ an _________________________

Tags

CCSS.HSF.BF.A.2

2. The number "d" in

 $a_n=a_1+\left(n-1\right)d$  is called the _____________________ of any two consecutive terms in an arithmetic sequence.

Tags

CCSS.HSF.BF.A.2

3. What is the common difference of the sequence 5, 9, 13, ... ?

Tags

CCSS.HSF.BF.A.2

4. Find the 15th term of the sequence

 $1,-4,-9,-14$  

Tags

CCSS.HSF.BF.A.2

5. The sum of the first n terms of an arithmetic sequence is called _______________.

6. Solve for the indicated term

 $a_{1\ }=\ ?\ \ ;\ \ d\ =\ 5\ \ ;\ \ a_{6\ }=\ 28$  

Tags

CCSS.HSF.BF.A.2

7. A stack of telephone poles has 30 poles in the bottom row. there are 29 poles in the second row, 28 in the next row, and so on. How many poles are there in the 26th row?

Tags

CCSS.HSF.BF.A.2

8. Find the arithmetic mean between 6 and 18.

9. Insert two arithmetic means between 21 and 33?

Tags

CCSS.HSF.BF.A.2

10. Find the indicated term of the arithmetic sequence

 $a_{1\ }=\ 5\ ;\ a_{4\ }=\ 11\ ;\ a_{6\ }=\ ?$  

Tags

CCSS.HSF.BF.A.2