Answer:
Its 4
Step-by-step explanation:
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.
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If the value of "a" is positive, the parabola will open upward.
Answer:
hope it helps.
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Other answers are coming soon :)
Answer:
see below
Step-by-step explanation:
dx 2+2xy 1 1 2 2
____ = ______ – ___x^2 – ____y^2 – _____x + ______y
dy 3 3 3 3 3