3 years ago

Find the first 3 terms of arithmetic sequence if t5=-154 and t9=-274. find t1, t2, t3

Mathematics

1 answer:

777dan777 [17]3 years ago

4 0

Answer: t1 = -34; t2 = -64; t3 = -94

d is the distance between numbers (d > 0)

we have:

t5 = t1 + 4d = -154

t9 = t1 + 8d = -274

we have the equations:

t1 + 4d = -154

t1 + 8d = -274

<=> t1 = -34

d = -30

with t1 = -34 and = -30 => t2 = -34 - 30 = -64

t3 = -64 - 30 = -94

Step-by-step explanation:

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