ABCD is a trapezium
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To move a graph up c units, add c to whole function
going up a negative distance is the same as going down that same distance but positive
so to move y=-x^2 up by -3 units, add -3 to the whole function so we get
as the translated equation
going up a negative distance is the same as going down that same distance but positive
so to move y=-x^2 up by -3 units, add -3 to the whole function so we get