X×x +3x -4 , 3 is the _____ and -4 is the _______
1 answer:
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Look at this equation it should help.
Answer:
1) D.
2) E. The coefficient of is -16.
Step-by-step explanation:
1) A polynomial is an algebraic expression of the form , where
is the grade of the polynomial. In this case, the only equation that satisfies this definition is:
Correct answer: D
2) Let , we proceed to expand the expression by algebraic means:
We see that coefficients for and
are -16 and 0, respectively. Hence, the incorrect answer is E.
Answer:
Step-by-step explanation:
we have the expression
Convert to vertex form
where
a is the leading coefficient
(h,k) is the vertex
Complete the square
Rewrite as perfect squares
so
The coefficient a =1
The vertex is the point (-2,-2)