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OpenStudy (anonymous):
Two perpendicular lines intersect at the origin. If the slope of the first line is , what is the equation of the second line? A y=-2x b y=1/2x c y=-1/2x d y=2x
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OpenStudy (anonymous):
the first slope is -1/2
OpenStudy (souvik):
for perpendicular lines..m1*m2=-1 here m1=-1/2 so m2=2 so the equation of the line is...(y-y1)=m2*(x-x1) the line goes through (0,0) so y1=0 and x1=0 the equation is y=2x
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