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Mathematics 9 Online
OpenStudy (anonymous):

Solve the system of equations by graphing. 2x-y=2, 5x+y=5

OpenStudy (anonymous):

help me i will help u

OpenStudy (anonymous):

huh?

OpenStudy (anonymous):

@yolandafuentes362 so in your graph so should see if the product of slopes = -1 for perpendicularity. hence ur ans is option D.

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