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Question

When a parabola represented by the equation y2x2=8x+5 is translated 3 units to the left and 2 units up, the new parabola has its vertex at

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Solution

First rewrite y2x2=8x+5 as
y=2x2+8x+5
Complete square and determine vertex.
y=2(x2+4x+4)8+5
=2(x+2)23
vertex at (2,3)
If parabola is translated 3 units to the left and 2 units up its vertex is also translated 3 units to the left and 2 units up .
vertex after translations is at: (23,3+2)=(5,1).

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