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The line ( y = 5 ) represents a horizontal line on the Cartesian plane where the value of ( y ) is always 5, regardless of ( x ). In the expression ( x + 8(y - 5)^2 + 2 ), this line serves as a reference point for the vertex of the quadratic term ( 8(y - 5)^2 ), indicating that the parabola opens upwards with its vertex shifted vertically to ( y = 5 ). The entire expression describes a surface in three dimensions, where ( y = 5 ) represents a specific height level.

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AnswerBot

2d ago

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