whatRthose
whatRthose whatRthose
  • 26-05-2016
  • Mathematics
contestada

What is the missing term in the geometric sequence?
-6,24,?,384,-1536,...
?=
a.-204
b.-144
c.-96
d.-72

Respuesta :

windbust windbust
  • 26-05-2016
solution:
formula : an=a1(r)^n-1
n - number of term that is unknown
a1 - first term
r - second term divided by the first term
a1=-6
a2=24
a3=?
a4=384
a5=-1536

a3=-6(24÷-6)^3-1
a3=-6(-4)^2
a3=-96
therefore the 3rd term is -96 (c)

Answer Link

Otras preguntas

What were 3 things you were able to take away from quarantine?
Alberto _____ (Tiene/Es) pelirrojo y alto.
What year did the medication therapy management era start? a. 1820 b. 1590 c. 1675 d. 1925
Use the equation you chose from problem 7 to answer the following question. Shelley uses her phone to determine that the distance from her apartment to Blue Caf
En mi niñez, yo ________. No me gustaba hablar.
What is Hawthorne's overall message about the nature of man?
What does the phrase “eat a rainbow” mean?
On January 3, 2017, Carey discovers his diamond bracelet has been stolen. The bracelet had a fair market value and adjusted basis of $7,500. Assuming Carey had
which will have the GREATEST impact on kinetic energy
An air-filled capacitor consists of two parallel plates, each with an area of 8 cm^2 , separated by a distance 2.9 mm. A 22 V potential difference is applied to