If the sixth term of a sequence is 128 and the common ratio is 2, then what is the first term? 1, 2 or ,4
1 answer:
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Answer:
Option d) is correct
That is x equals plus or minus start fraction 11 over two end fraction
Step-by-step explanation:
Given quadratic equation is
To write the given quadratic equation by using a difference-of-squares factoring method:
The above equation can be written as
The above equation is in the form of difference-of-squares
Therefore the given quadratic equation can be written in the form of difference-of-squares
by factoring method is
(which is in the form
)
2x+11=0 or 2x-11=0
or
or
Therefore option d) is correct
That is x equals plus or minus start fraction 11 over two end fraction