Which expression is arranged by decreasing powers of x for the given polynomial? 2x^2- 4x^4+3+6x
1 answer:
Answer:
is the required decreasing order expression
Step-by-step explanation:
We have been given a polynomial:
The decreasing power means from highest power to the lowest power.
Highest power is 4 then 2 then 1 and then constant so, we will start from 4 an ends at constant.
is the required decreasing order expression.
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Answer:
x = -7
Step-by-step explanation:
The vertex form of this equation tells us it is a downward-opening parabola with its vertex at (-7, -3). The line of symmetry is the vertical line through the vertex: x = -7.
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Vertex form is ...
y = a(x -h) +k
where a is the vertical expansion factor, and (h, k) is the vertex. When a < 0, the parabola opens downward. When a > 0, it opens upward. (When a=0, the "parabola" is a horizontal line at y=k.)
