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Mathematics 9 Online
OpenStudy (anonymous):

Could someone Help? The point (2, –4) is reflected across the line y = –1. What are the coordinates of the image? A. (–5, –4) B. (–4, 2) C. (2, 2) D. (2, 4)

OpenStudy (mathstudent55):

|dw:1372881352100:dw|

jimthompson5910 (jim_thompson5910):

y = -1 is a horizontal line

OpenStudy (anonymous):

So it would be -4,2 now since it moved over?

OpenStudy (jdoe0001):

keep in mind the distance from -1 to 2 and bear in mind "y" doesn't change

jimthompson5910 (jim_thompson5910):

it should be this |dw:1372881681847:dw|

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