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 one year ago
Find the coordinates of the point (5,7) when it is reflected across the line y=11.
 one year ago
Find the coordinates of the point (5,7) when it is reflected across the line y=11.

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cassidyohrt
 one year ago
Best ResponseYou've already chosen the best response.0But don't you need more than one coordinate?

punnus
 one year ago
Best ResponseYou've already chosen the best response.0mirror being mid point of the line joining the two points. \[\left\{ 5,11 \right\}\] now \[5=\frac{x2x1 }{ 2 }\] and \[11=\frac{ y2y1 }{ 2 }\]

punnus
 one year ago
Best ResponseYou've already chosen the best response.0you know x1 and y1 find x2 and y2

cassidyohrt
 one year ago
Best ResponseYou've already chosen the best response.0I completely understand what you're saying, but I honestly have no idea how to solve for x2 and y2. I remember learning this, but I haven't used it in 2 years.

punnus
 one year ago
Best ResponseYou've already chosen the best response.0did you get the idea behind mid point

punnus
 one year ago
Best ResponseYou've already chosen the best response.0Then take the given point as the first point in the case i.e (5,7)

punnus
 one year ago
Best ResponseYou've already chosen the best response.0now use the formula that I have already posted

cassidyohrt
 one year ago
Best ResponseYou've already chosen the best response.0Wait, so wouldn't it be (5,7)?

cassidyohrt
 one year ago
Best ResponseYou've already chosen the best response.0Nevermind, let me resolve quick.

punnus
 one year ago
Best ResponseYou've already chosen the best response.0did you get is answer as (5,15). If not I can give us an another approach
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