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tino4ka555 [31]
3 years ago
6

Is y=2x(x-2) a quadratic function????

Mathematics
1 answer:
Liula [17]3 years ago
5 0
The graph opens downward, so the vertex is the maximum point of the parabola. Example: The vertex of the parabola y = -(x + 9)2 + 4 is (-9, 4). The graph opens downward, so the vertex is the maximum point of the parabola.
...
If the value of "a" is positive, the parabola will open upward.
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