Answer:
-29
Step-by-step explanation:
If [tex]a_1 = 1[/tex] and r = -5 for the rate or difference between terms, then the sequence is 1, -4, -9, .... etc.
To find a(7), continue the pattern until you find the 7th term.
1, -4, -9, -14, -19, -24, -29....
a(7) = -29
