What are the coordinates of pointP,the image of point (3,–4) after are flection in the liney=x?

(1) (3,4) (3) (4,–3)

(2) (–3,4) (4) (–4,3)

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- Nov 17th 2008, 10:17 PMmagentaritaCoordinates of PWhat are the coordinates of point
*P,*the image of point (3,–4) after are flection in the line*y*=*x*?

(1) (3,4) (3) (4,–3)

(2) (–3,4) (4) (–4,3)

- Nov 18th 2008, 02:59 AMHallsofIvy
The line y= x is exactly 45 degrees from both the x and y axes. "Reflecting points in a line basically rotates the entire plane around that line. Because the angles are equal, the positive x axis reflects into the positive y axis and vice-versa. The point (x, y) reflects to (y, x).

- Nov 18th 2008, 09:31 PMmagentaritayour hint.............