SOLUTION: what is the gradient of the line perpendicular to 5x-20y+9=0? and... what is the equation of the line perpendicular to 5x-20y+9=0 and passing through the point (1,-2)? answer in

Question 1092591: what is the gradient of the line perpendicular to 5x-20y+9=0?
and... what is the equation of the line perpendicular to 5x-20y+9=0 and passing through the point (1,-2)? answer in general form
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Convert to slope-intercept form to get the slope(gradient),

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Parallel lines have identical slopes so,

Using the point slope form of a line,

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