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line l on the line y = x

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by sanju09 » Sat Jun 19, 2010 2:45 am
Line l has equation y - 2 x = 2. What is the equation of line p which is the reflection of line l on the line y = x?
(A) y = 0.5 x - 1
(B) y = 2 x - 1
(C) y = x + 2
(D) y = -2 x - 2
(E) y = x
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by kvcpk » Sat Jun 19, 2010 3:50 am
sanju09 wrote:Line l has equation y - 2 x = 2. What is the equation of line p which is the reflection of line l on the line y = x?
(A) y = 0.5 x - 1
(B) y = 2 x - 1
(C) y = x + 2
(D) y = -2 x - 2
(E) y = x
Is the OA A?
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by mj78ind » Sat Jun 19, 2010 4:11 am
kvcpk wrote:
sanju09 wrote:Line l has equation y - 2 x = 2. What is the equation of line p which is the reflection of line l on the line y = x?
(A) y = 0.5 x - 1
(B) y = 2 x - 1
(C) y = x + 2
(D) y = -2 x - 2
(E) y = x
Is the OA A?
It has to be A, that is the only line that passes through (-2,-2) the intersection of the given two lines.
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