Asked by Siddiha

The 3 rd term if an arithmetic sequence is 19 and the 9 term is -5 find a and b

Answers

Answered by Siddiha
This is a good website
Answered by clement
a+2d=19
a+8d=-5

6d=-24
d=-4

a=19-2(-4)=19+8=27

not sure what you u meant about b?

that just all you need to do


check my question above and see if you can help me plz or ask someone you think can help
i guess all our tutors are still sleeping 😂 😂
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