Question

Match the sequence with the correct indicated term
a1 = -4, d= -9, n=20

Answer 1

Choose... -175 340 -25/2 25/2

Answer 2

Probably this is an arithmetic sequence.
For arithmetic sequence, this rule applies:
\[a_n=a_1+(n-1)d\]
Plug in a1, n and d to find the answer.

Answer 3

i got 6 thats wrong

Answer 4

-4 +(19)*-9=-175 so the first one