Question

5. Find the 50th twerm of the sequences 5, -2, -9, -16, ...
a. -352
b. -343
c. -338
---> d. -331

7. Find the 110th term of the sequence -7, 3, 13, 23, ...
a. 1,083
--> b. -1,097
c. 1,093
d. 40

8. Find the second and third term of the arithmetic sequence -7,__,__, -22, -27, ....
-> a. -12, -15
b. -17, -12
c. -10, -17
d. -12, -17

Answer 1

Are these correct?

Answer 2

the first answer is -338, do you know the formula?

Answer 3

I don't remember, no.