SOLUTION: Determine wheather the graphs of the two equations are perpendicukar? y=6x-9 and 5y=9-x

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 Click here to see ALL problems on Linear-equations Question 386989: Determine wheather the graphs of the two equations are perpendicukar? y=6x-9 and 5y=9-xAnswer by ewatrrr(10682)   (Show Source): You can put this solution on YOUR website! ``` Hi, the standard slope-intercept form for an equation of a line: y = mx + b where m is the slope and b the y-intercept. Determining if lines are perpendicular. that is: slopes being negative reciprocals. y= 6x-9 Slope of this line = 6 (line prependicular, would have slope -(1/6) 5y=9-x y = -x/5 + 9/5 Slope of this line is -(1/5) Lines are not perpendicular to one another on a graph ```