You can put this solution on YOUR website! First solve equation for y to find a slope from slope-intercept form;which is y=mx+b
Y= 5/4 *x-1/2
slope is m=5/4
slope of the perpendicular line is going to be -4/5
because when 5/4* (-4/5)=-1, the lines are perpendicular.
the answer is:-4/5
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