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QveST [7]
3 years ago
15

What is the next term of the geometric sequence? 4/9,-4/3,4,... ​

Mathematics
2 answers:
Wittaler [7]3 years ago
6 0

Answer: 9 is the answer

Step-by-step explanation:

Gnesinka [82]3 years ago
3 0

Answer:

- 12

Step-by-step explanation:

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by  

−

3

gives the next term. In other words,  

a

n

=

a

1

⋅

r

n

−

1

.

Geometric Sequence:  

r

=

−

3

This is the form of a geometric sequence.

a

n

=

a

1

r

n

−

1

Substitute in the values of  

a

1

=

4

9

and  

r

=

−

3

.

a

n

=

(

4

9

)

⋅

(

−

3

)

n

−

1

Combine  

4

9

and  

(

−

3

)

n

−

1

.

a

n

=

4

(

−

3

)

n

−

1

9

Substitute in the value of  

n

to find the  

n

th term.

a

4

=

4

(

−

3

)

(

4

)

−

1

9

Simplify the numerator.

Tap for more steps...

a

4

=

4

⋅

−

27

9

Simplify the expression.

Tap for more steps...

a

4

=

−

12

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