Which is an acceptable first property to solve the equation -2x=12
1 answer:
Hi there! :)
<em><u>Answer:</u></em>
<em><u>x=-6</u></em>
<em><u>*The answer must have a negative sign.*</u></em>
Step-by-step explanation:
First, you divide by -2 from both sides of an equation.
Then, you divide by the numbers from left too right.
It change positive to negative sign.
<u><em>Final answer is x=-6</em></u>
I hope this helps you!
Have a nice day! :)
-Charlie
:D
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Answer:
(a)
Step-by-step explanation:
(a)The degree of a polynomial is the highest power of the unknown variable in the polynomial.
A polynomial is said to be in standard form when it is arranged in descending order/powers of x.
An example of a fourth degree polynomial is:
We know the polynomial above is in standard form because it is arranged in such a way that the powers of x keeps decreasing.
(b)Polynomials are closed with respect to addition and subtraction. This is as a result of the fact that the powers do not change. Only the coefficients
change. This is illustrated by the two examples below:
The degrees do not change in the above operations. Only the number beside each variable changes. Therefore, the addition and subtraction of polynomials is closed.