Formative Assessment 1 [Arithmetic Sequence]

Type in the next three terms of the arithmetic sequence

12, 17, 22,___, ____,____.

Note: Add commas between the numbers. example (1,2,3)

DO NOT add spaces

Which of the following is the correct three terms that will continue the arithmetic sequence 10, 5, 0, ___, ___, ___...?

• -5, -10, -15

• -5, 10, -15

• 5, -10, 15

• -5, -10, 15

identify the common difference of the arithmetic sequence -10, -9.5, -9, ...

Note: your answer could be fraction or decimal form.

Find the fifth term of the arithmetic sequence 2, 5, 8,...

Find  $a_{18}$  of the arithmetic sequence 0, 20, 40, 60,...

Find the 22nd term of the arithmetic sequence 6, 18, 30, 42, ...

Find  $a_{18}$   if the arithmetic sequence has fourth term 27 and seventh term 51.  

Find the tenth term of the arithmetic sequence if the sequence has $a_4=81\ and\ a_7=42.$  

The last term of the sequence 1, 10, 19, 28, 37,... is 154. How many terms are in the arithmetic sequence?

How many terms are in the arithmetic sequence with  $a_1=345,\ d=-16\ and\ a_n=57$ ?