SOLUTION: Find an equation in slope-intercept form for each line through (-2, 6), perpendicular to 2x - 3y = 5. I would appreciated some help here if you do not mind. This has been hard,

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Question 238616: Find an equation in slope-intercept form for each line through (-2, 6), perpendicular to 2x - 3y = 5.
I would appreciated some help here if you do not mind. This has been hard, hopefully my brain will pick up from taking algebra over 30 years ago.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Subtract from both sides.


Rearrange the terms.


Divide both sides by to isolate y.


Break up the fraction.


Reduce.


We can see that the equation has a slope and a y-intercept .


Now to find the slope of the perpendicular line, simply flip the slope to get . Now change the sign to get . So the perpendicular slope is .


Now let's use the point slope formula to find the equation of the perpendicular line by plugging in the slope and the coordinates of the given point .


Start with the point slope formula


Plug in , , and


Rewrite as


Distribute


Multiply


Add 6 to both sides.


Combine like terms.


So the equation of the line perpendicular to that goes through the point is .


Here's a graph to visually verify our answer:


Graph of the original equation (red) and the perpendicular line (green) through the point .

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