Recursive and Explicit Arithmetic Sequence

what is the sequence formula of 8 6 4 2 ?

• -2n+10

• -2n

• -2

• 2n-10

Find the explicit rule?

• 12 + 2(n-1)

• 14 + 2(n-1)

• 16 - 2(n-1)

• 18 - 2(n-1)

Which of the following is the explicit formula of the sequence 27, 21, 15, 9, ...

Write the explicit formula for the sequence.

Select the explicit rule that represents the sequence.

• 14(-3)(n - 1)

• 3 - 14(n - 1)

• 14 - 3(n - 1)

• 14 + 3(n-1)

Write a sequence to represent the number of smiley faces in each group. Select all that apply.

In recursive formulas what does the term a_n-1 represent?

• the previous term

• the term you are looking for

• the first term

• the last term

In recursive formulas what does the term a₁ represent?

• the previous term

• the term you are looking for

• the first term

• the last term

Write a recursive formula for the sequence 17,13,9,5...

• a_n=a_n-1 - 4

• a_n=a_n-1 -17

• a_n=a_n-1 +4

Which sequence can be found using the recursive formula a₁=6, a_n= 4a_n-1, n>2

• 6,10,14,20...

• 2,6,10,14...

• 6,24,96,384...

• 6,12,18,24,...