Geometric Sequences
Find the 12th term of the sequence: 7, -14, 28, -56, ...

Find the 8th term of the sequence:

7x, 14x2, 28x3, ...
896x
896
896x⁸
 1792x⁸
Find the 6th term of the sequence: 

87, 8.7, 0.87, ....
Determine whether the following sequences are geometric or not.Mention Y for yes and N for no.
a. -2, 6, -18, 54, .....
b. 1, 2, 8, 64, ......
c. 3,  3/4, 3/16, 3/64, .....
d. 5x², 5x⁴, 5x⁶, 5x⁸, ....
Show that a sequence with three consecutive terms 75, 375, 1875 is geometric.
(Solve this question in your notebook and submit the answer in google classroom.)
The general term of a sequence is given by
un = 53−4n. Determine whether or not this is a geometric sequence.

Find the common ratio if a1 = 864 and a4 = 256


A geometric sequence has a second term of 30 and a fifth term of  −468.75 .


Find the common ratio and the first term.




common ratio First term

In a geometric sequence, u1 = 5 and  u5 = 1280. The last term os the sequence is 20480. Given that r is positive, find teh number of terms in the sequence.(Solve the problem and share your working in google classroom.)
A geometric sequence has a first term of 81and a fourth term of 3. Find the common ratio and an expression for the general term.(Solve the problem and share your working in google classroom.)





Common Ratio                           General Term
A geometric sequence has a second term of 14  and a sixth term of 224 . Find the possible values of the common ratio and the first term.(Solve the problem and share your working in google classroom.)

Common                                             FirstRatio                                                  Term

Given that the sequence x−1,x+2,3x,… is geometric, find the possible values of x.
(Solve the problem and share your working in google classroom.)
4, 1/2
-4, 1/2
4, -1/2
-4, -1/2
The common ration is 




an the second term is 


Give an exact answer as a decimal or a fraction in fully simplified form.
There are two geometric sequences with first term 6 and where the sum of the first three terms is 42.what are the two possible values of the fourth term of the sequence?




write the bigger value first and then the smaller one.
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