carlywatson87654 carlywatson87654

12-06-2021
Mathematics

contestada

Enter a recursive rule for the geometric sequence. 5, −10, 20, −40, ...
a1=
an=

Respuesta :

sqdancefan sqdancefan

12-06-2021

9514 1404 393

Answer:

a[1] = 5
a[n] = -2a[n-1]

Step-by-step explanation:

The first term is the first one on the list:

a[1] = 5

__

The ratio of terms is ...

-10/5 = -2

That is, each term is -2 times the previous one, so the recursive rule is ...

a[n] = -2·a[n-1]

Answer Link

Otras preguntas

The primary role of the legislature in the public policy process is to?

below are events that helped make English language"respectable." put then in chronological order from first to last. Anti-French sentiment created by the king o

A recipie calls for 2 3/4 cups of milk.How many cups of milk,written as a fraction greater than one,are used in the recipie

A(b) is a function true or false?

please please help mark as branliest

Which factor allows earth to hold onto liquid water? a.strong gravity b.weak salinity c.freezing temperatures d.presence of living things?

______ are where exchange of materials with surrounding cells occurs. Veins Arteries Capillaries none of the above

Explain how environmental contaminants make their way into and through the food chain.

Can Somebody Help me with this Question ?

4. 40% of the marbles in a bag are yellow. The rest are orange and green. The ratio of the number of orange to the number of green is 4: 5. If there are 30 gree