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anonymous
 one year ago
Trapezoid ABCD is reflected over the line y = x. What rule shows the input and output of the reflection, and what is the new coordinate of A'?
anonymous
 one year ago
Trapezoid ABCD is reflected over the line y = x. What rule shows the input and output of the reflection, and what is the new coordinate of A'?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(x,y)→(y,x); A' is at (1, 5) (x,y)→(y,x); A' is at (1, 5) (x,y)→(x,y); A' is at (5, 1) (x,y)→(x,y); A' is at (5, 1)

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0It is always a good idea to retrace the transformations. The question states that A has undergone the transoformation (x,y)>(y,x) which results in (1,5) We need to do the inverse transformation, namely find (x,y). From the above, y=1 and x=5 which means that x=5, y=1, A(5,1) Now you need to choose the transformation of reflection about y=x. Hints: \(S_{y=x}: (x,y) > (y,x)\) ..........reflection about y=x \(S_{y=x}: (x,y) > (y,x)\).........reflection about y=x
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