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OpenStudy (billyjean):
The vertices of a triangle are P(2,-4),Q(-5,3) and R(-1,-2).What are the vertices of the image reflected across the y axis?The answer choices are A) P(2,-4),Q(-5,3),R(-1,-2),B) P(2,4),Q(-5,-3),R(-1,2),C) P(-2,-4),Q(5,3),R(1,-2),or D) P(-2,4),Q(5,-3),R(1,2).
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OpenStudy (mathmath333):
|dw:1434122419657:dw|
OpenStudy (mathmath333):
just multiply y co-ordinates by (-1)
OpenStudy (billyjean):
im still lost can you show me please
OpenStudy (mathmath333):
|dw:1434122638355:dw|
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