The nth term of a sequence is 2n – 5. (a) Find the value of the first term.

The nth term of a sequence is 2n-5
 
(a) Find the value of the first term. 
(b) Find the difference between the third term and the fourth term.
 
in Algebra 1 Answers by

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2 Answers

EVALUATE 2n-5 at n=1...

2-5=-3
by
Formula of nth term.. Tn=a+(n-1)d A-to find the 1st term of sequence.. T1=2(1)-5 T1=2-5 T1=-3 B: difference between 3rd and 4th term.. T3=2(3)-5 T3=6-5 T3=1 T4=2(4)-5 T4=8-5 T4=3 Now T'=T4-T3 T'=3-1 T'=2..
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