EmmittDesloge
EmmittDesloge EmmittDesloge
  • 11-07-2015
  • Mathematics
contestada

Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

Respuesta :

Benjamin16
Benjamin16 Benjamin16
  • 11-07-2015
[tex]a_{1}=-2 \\ \\ a_{2}=8 \\ \\ q= \frac{a_{2}}{a_{1}} \\ \\ q= \frac{8}{-2}=-4 \\ \\ a_{n}=a_{1}*q^{n-1} \\ \\ a_{n}=-2*-4^{n-1} [/tex]
Answer Link

Otras preguntas

what function is graphed?
Prove that cos^4∆ - sin^4∆ = 2cos^2∆ - 1
The perimeter of a rectangular book is 16.84 cm. find the length of the rectangular book (in decimals) whose width is 18/7 cm. estimate to the nearest tenths pl
Which of the expressions below are equal to 8x² + 30x + 18? Select all that apply. A) (4x + 3) (2x + 6) B) 6x² + 20x + 2x² + 10x + 18 C) 2(4x² + 15x + 9) D) 4(2
what are the possible numbers of positive, negative, and complex zeros of f(x)=-3x^4+5x^3-x^2+8x+4
witch statement best describes a simularity between the two historians arguments.
It takes, on average, 6 minutes to do all the steps but the actual time can vary according to an exponential distribution with a standard deviation of 6 minutes
(a) Calculate the tension in a vertical strand of spiderweb if a spider of mass 5.00 ✕ 10-5 kg hangs motionless on it. N (b) Calculate the tension in a horizon
Find a number between 2- and 2.1251: 8 Uh
An archer shoots an arrow at a 74.0 m distant target, the bull's-eye of which is at same height as the release height of the arrow. (a) At what angle must the a