Choose the correct classification of 2x + 10x2 − x3 by number of terms and by degree.
2 answers:
Answer:
(A)Third degree trinomial
Step-by-step explanation:
The given expression is:
Now, Degree of the expression is defined as the highest power of the variable given in the expression, thus in the given expression that is the variable is x and the highest power of x is 3, therefore it is a third degree expression.
Also, Trinomial is an expression which consists of three terms, and also the given expression consists of three terms that are
therefore, the given expression is a third degree trinomial.
Thus, option A is correct.
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Answer:
Step-by-step explanation:
We have been given an expression . We are asked to complete the square to make a perfect square trinomial. Then, write the result as a binomial squared.
We know that a perfect square trinomial is in form .
To convert our given expression into perfect square trinomial, we need to add and subtract from our given expression.
We can see that value of b is 11, so we need to add and subtract to our expression as:
Upon comparing our expression with , we can see that
,
and
.
Upon simplifying our expression, we will get:
Therefore, our perfect square would be .