I do know the formula and i dont known how to solve it. The problem is y=x-1.
asked Nov 22, 2012 in Algebra 1 Answers by anonymous

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1 Answer

y=x-1, slope=1 (45 deg)

perpendikular line...slope1 =-1/slope1


thus, y=-x is 90 deg tu y=+x....slope=-45 deg
answered Nov 22, 2012 by anonymous

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