Given The Sequence 3, 1, -1, -3, ...,Find A12.
Given the sequence 3, 1, -1, -3, ...,find a12.
Answer:
a12=−19
Step-by-step explanation:
an=a1+(n-1)d
a1=3
d=-2
n=12
a12=3+(12-1)(-2)
a12=3+(11)(−2)
a12=3−22
a12=−19
#JuneChallenge
Given the sequence 3, 1, -1, -3, ...,find a12.
Answer:
Step-by-step explanation:
an=a1+(n-1)d
a1=3
d=-2
n=12
a12=3+(12-1)(-2)
a12=3+(11)(−2)
a12=3−22
a12=−19
#JuneChallenge
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