1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Neporo4naja [7]
3 years ago
14

For the following geometric sequence find the explicit formula: {-1, 3, -9,...}

Mathematics
2 answers:
brilliants [131]3 years ago
7 0

Answer:

a_{n} = - 1 (-3)^{n-1}

Step-by-step explanation:

The explicit formula for a geometric sequence is

a_{n} = a (r)^{n-1}

where a is the first term and r the common ratio

Here a = - 1 and r = 3 ÷ - 1 = - 3 , thus explicit formula is

a_{n} = - 1 (-3)^{n-1}

Aneli [31]3 years ago
3 0
Multiplies by -3 every time
You might be interested in
Which of these numbers has exactly four factors?<br>A6<br>B 12<br>C 18<br>D 24​
coldgirl [10]

Answer: 6

The factors of 6 are 1,2,3 and 6

5 0
3 years ago
What is the solution to the inequality d/7+4
Sedaia [141]
I think the answer would be d(greater than or equal to) -28
6 0
3 years ago
Read 2 more answers
What is 7/4 times 7/3
yaroslaw [1]

49/12

Just mulitply the top and the bottom across.

7*7/4*3

49/12

7 0
3 years ago
What is x ^3/4 equivalent to?
galben [10]

\sqrt[4]{x {}^{3} }

{a}^{ \frac{m}{n} }  =  \sqrt[n]{a {}^{m } }

8 0
3 years ago
Describe how the transformed function below is obtained from its parent function.
Debora [2.8K]
Answer is D... the -3 outside the absolute/parenthesis shifts is down
3 0
3 years ago
Other questions:
  • What I four fifths of 30 ?
    14·2 answers
  • Which value of x is a solution of the inequality? ​
    6·2 answers
  • Helen lost her marbles. But then she found them and put them in 4 bags with m marbles in each bag. She had 3 marbles left over t
    7·1 answer
  • at the convince store, 24 pack of water bottles are selling for $3.99 for 1 pack, or $9.99 for 3 packs. hiw much money per pack
    15·1 answer
  • Find one value of x that is a solution to the equation:<br> (x²+4)²-11(x²+4)+24=0 x=?
    7·1 answer
  • Find the measure of angle c! Please answer asapppp
    7·1 answer
  • Please please help help me with my work schedule please please thank you so much no links or files and please be correct
    7·2 answers
  • 4. Ronnie has an after-school job at an animal shelter. She notices that at one meal, 3
    7·1 answer
  • Find the midpoint and distance between (5,1) and (-15,11)
    14·1 answer
  • Please help please please please
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!