What is the common factor for 9 and 7?

Mathematics

1 answer:

svetoff [14.1K]2 years ago

8 0

Answer:

your answer is 1!

The gcf of 7 and 9 is the largest positive integer that divides the numbers 7 and 9 without a remainder. Spelled out, it is the greatest common factor of 7 and 9. Here you can find the gcf of 7 and 9, along with a total of three methods for computing it. In addition, we have a calculator you should check out. Not only can it determine the gcf of 7 and 9, but also that of three or more integers including seven and nine for example. Keep reading to learn everything about the gcf (7,9) and the terms related to it.

What is the GCF of 7 and 9

If you just want to know what is the greatest common factor of 7 and 9, it is 1. Usually, this is written as

gcf(7,9) = 1

The factors of 9 are 9, 3, 1.

The factors of 7 are 7, 1.

The common factors of 9 and 7 are 1, intersecting the two sets above.

In the intersection factors of 9 ∩ factors of 7 the greatest element is 1.

Therefore, the greatest common factor of 9 and 7 is 1.

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Write the explicit formula that represents the geometric sequence -2, 8, -32, 128

MissTica

So hmm the first term is -2

and if we divide one term by the term before it, we'd get the "common ratio" "r"

so hmm say -32/8 that gives us -4, so r = -4

thus $\bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1r^{n-1}\qquad 
\begin{cases}
a_1=\textit{first term}\\
r=\textit{common ratio}\\
----------\\
a_1=-2\\
r=-4
\end{cases}\implies a_n=-2(-4)^{n-1}$