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Master | Next Rank: 500 Posts
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by shibal » Mon May 18, 2009 6:12 pm
if you have the book is better...
on the graph, when x=1/2 and y=2 and when x=1, y=1. if the graph is symmetric with respect to the vertical line at x=2, according to the graph when x= 3 y =?

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by ssmiles08 » Mon May 18, 2009 6:55 pm
I would think the easiest way of doing that is to take x = 2 as the cutting line and you will see that the first half is identical to the second half.


When x = 1 y = 1

which means when x is 1 point away from 2 on the x-axis, it is also 1 point away from the y-axis.

when x = 3, it is also 1 point away from the x-axis and so it should also be 1 point away from the y-axis.


basically my point is that the parabola is symmetric. any point on one side will be directly proportional to the other side.
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