Find the 100th term in the arithmetic sequence
-19,-14,-9,-4,1...
1 answer:
Answer:
476
Step-by-step explanation:
hello :
the common diference is : d = ( 1)-(-4)=(-4)-(-9)=(-9)-(-14)=(-14)-(-19)=5
the firt term is A1 = -19
the n-ieme term is : An = A1 +(n-1)d
An = -19+5(n-1)
An = 5n-24
the 100th term in the arithmetic sequence is : A100 = 5(100)-24 =476
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