25 points (I will report if you don’t answer the question) Which equation represents a parabola opening downward with a vertex at the orgin and a focus at (0,-2)

Edi ireport mo wala akong pake tsaka 13 points lang yan

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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6 spoons of sugar for every 21 cups of flour

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