stoog7352
28.09.2019 •
Mathematics
How to solve this showing all work ! also explain why they aren’t polynomials if you can : )
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Ответ:
Polynomials are linear combinations of positive integer powers. For example,
is a polynomial, but
is not.
(In case you're unfamiliar with the term, a linear combination of two quantities is the sum of scaled versions of those quantities, e.g. a general linear combination of
and 
is 
, where 
are any numbers.)
Ответ:
The solution of the system of equations is
and 
. The correct answer is c. (5, 3)
Step-by-step explanation:
- The first step to solve the system of equation is to get one of the two variables for alone on one side (
or 
) in both equations. For example, let's use the equations just how they are because they both have the 
for alone.
- The second step is to match the equations because
is the same for both.
Then, replace the value of
from each equation.
Pass all the terms with
to the left and the rest terms to the right with the right sign.
Simplify the expression.
- The last step is to replace the value of
in any equation to find the value of 
.
As you can see, the value of
is 3 in both equations.
Thus, the solution of the system of equations is
and 
. The correct answer is c. (5, 3)