ashleypthor
contestada

The first term of a sequence is 4 and the common
ratio is -2. What is the formula for the sequence
based on term number
Qy --2-(4)-1
ay -4.(-2)2-1
an = (4.-2)^2=1
an - 4.(-2)

The first term of a sequence is 4 and the common ratio is 2 What is the formula for the sequence based on term number Qy 241 ay 4221 an 4221 an 42 class=

Respuesta :

DynamoPrince2612

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Actually Welcome to the concept of Geometric Progression.

So, we know that,

GP = a.r^(n-1)

here, a = 4 and r = -2

so we get as,

an = 4.(-2)^n-1

Option B.) is correct

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