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anonymous
 one year ago
A classmate tells you "Finding the coordinates of the midpoint is easy. You must just find the averages." Is there any truth to it? Explain what you think your classmate means.
anonymous
 one year ago
A classmate tells you "Finding the coordinates of the midpoint is easy. You must just find the averages." Is there any truth to it? Explain what you think your classmate means.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes, that's true. the coordinates of the midpoint is the average of the coordinates of the endpoints. If \((x_1,y_1)\) and \((x_2,y_2)\) are endpoints, the midpoint is \[\left( \frac{ x_1+x_2 }{ 2 },\frac{ y_1+y_2 }{ 2 } \right)\]

MrNood
 one year ago
Best ResponseYou've already chosen the best response.0dw:1442349870817:dw it can be seen that the midpoint is the 'middle' of both the x and y lines now: the length of the Y dotted line is x2x1 and the length of half of this is therefore (x2x1) / 2 but you need to add the start point to this to get the actual midpoint so midpoint = (x2x1)/2 + x1 and that is the same as (x1+x2)/2 which is the same as the average of x1 and x2 same for Y

MrNood
 one year ago
Best ResponseYou've already chosen the best response.0CORRECTION above "the length of the Y dotted line is x2x1" should be "the length of the X dotted line is x2x1"
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