First 20 Terms Of The Arithmetic Sequence -16, -20, -24, ..., With Solution Po Ty...

First 20 terms of the arithmetic sequence -16, -20, -24, ...


With Solution po ty...

 

Answer:

d=-4

a1=-16

Given;a1-a3

Find a4-a20

an=a1+(n-1)d

a4=-16+(4-1)(-4)

a4=-16+(3)(-4)

a4=-16+(-12)

a4=-28

a5=-16+(5-1)(-4)

a5=-16+(4)(-4)

a5=-16+(-16)

a5=-32

a6=-16+(5)(-4)

a6=-16+(-20)

a6=-36

a7=-16+(6)(-4)

a7=-16+(-24)

a7=-40

a8=-16+(7)(-4)

a8=-16+(-28)

a8=-44

a9=-16+(8)(-4)

a9=-16+(-32)

a9=-48

a10=-16+(9)(-4)

a10=-16+(-36)

a10=-52

a11=-16+(10)(-4)

a11=-16+(-40)

a11=-56

a12=-16+(11)(-4)

a12=-16+(-44)

a12=-60

a13=-16+(12)(-4)

a13=-16+(-48)

a13=-64

a14=-16+(13)(-4)

a14=-16+(-52)

a14=-68

a15=-16+(14)(-4)

a15=-16+(-56)

a15=-72

a16=-16+(15)(-4)

a16=-16+(-60)

a16=-76

a17=-16+(16)(-4)

a17=-16+(-64)

a17=-80

a18=-16+(17)(-4)

a18=-16+(-68)

a18=-84

a19=-16+(18)(-4)

a19=-16+(-72)

a19=-88

a20=-16+(19)(-4)

a20=-16+(-76)

a20=-92

FIRST 20 TERMS:

-16,-20,-24,-28,-32,-36,-40,-44,-48,-52,-56,-60,-64,-68,-72,-76,-80,-84,-88,-92

#JuneChallenge


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