ttmarkstt
ttmarkstt ttmarkstt
  • 09-03-2018
  • Mathematics
contestada

Find an explicit rule for the nth term of the sequence.

-5, -25, -125, -625, ...

Answer Choices

A) an = -5 • 5n
B) an = 5 • -5n + 1
C) an = 5 • -5n
D) an = -5 • 5n - 1

Respuesta :

Аноним Аноним
  • 09-03-2018
This is a GS with first term -5 and common ratio = 5.
an  = a1. r^(n -1) 
      =  -5 . 5^(n - 1) 

Its D
Answer Link

Otras preguntas

Danica has laid out floor tiles so they from a rectangle with a perimeter of 18 inches what is the difference between the greatest and least possible areas of t
What is the definition of Frame of reference? Is there an equation, if soo what is it?
the second largest prime factor of 38 is
which ordered pair is a solution of the system of equationsy=-3/5xx-3y=-42A.(70,-42)B.(-21,63/50)C.(5,3)D.(-15,9)
WHAT ARE THE RHYMES IN THE STORY OF `THE SEVEN AGES OF MAN ` ??
Solve the given equation on the domain [0,2π]: 2sinx-sqrt(2)=0sqrt=squareroot
multiply. (4x⁸+7)²= -----(type terms in descending order)
The initial population of a town is 3500 people and it grows with a doubling time of 10 years. What will the population be in 8 years?
A really simple question that I just don't understand.
Can anyone help me write my MUN position paper?This is the example!