Determine whether the line through points (-2, 3) and (4, 1) is perpendicular to the line 3x = y + 1.
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given line slope is 3.
The line fomed by the given points has slope (/(1-3)/4+2=-2/6=-1/3.
m1m2 =-1 (condition of two lines are perpendicular) .These two slopes satisfy this .so line is perpendicular.
Here m1 and m2 are the slopes.
The line fomed by the given points has slope (/(1-3)/4+2=-2/6=-1/3.
m1m2 =-1 (condition of two lines are perpendicular) .These two slopes satisfy this .so line is perpendicular.
Here m1 and m2 are the slopes.
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