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Please help with some probelms!

Please help with some probelms!-example-1
Please help with some probelms!-example-1
Please help with some probelms!-example-2
Please help with some probelms!-example-3
User Piotrekkr
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1 Answer

3 votes
The answer here is A which is the first graph.
Remember that if a is negative in the equation y = ax^2 + bx + c, the parabola always opens downward. For vertex, its coordinates is always located on the first quadrant in which all values are positive.
User Yurzui
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