SOLUTION: Find the 3rd term of an arithmetic sequence with t2 =9/2 and t5 = 6.
A. 5
B. 4
C. 3
D. 2
Algebra.Com
Question 1091989: Find the 3rd term of an arithmetic sequence with t2 =9/2 and t5 = 6.
A. 5
B. 4
C. 3
D. 2
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given:
and
......(1) where is first term and common difference
........(2)
Subtract (1) from (2
Sub in (1)
->first term
so, your answer is A.
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