SOLUTION: Write the equation of a line containing (-1,7) that is perpendiculas to 3x-5y=11. please help I do not get it at all!!! Thank you sooo much. red

Question 226490: Write the equation of a line containing (-1,7) that is perpendiculas to 3x-5y=11. please help I do not get it at all!!! Thank you sooo much. red
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You have to get the equation in the form
where is the slope, so

Subtract from both sides

Divide both sides by

Now you can see that the slope is
ANY line which is perpendicular to this line
will have a slope which is , so

So now I know that the line I want will look mlike

I'm told the perpendicular goes through (-1,7)
I can use the formula

Multiply both sides by

answer
I'll plot both equations

This looks right, because if for both equations,
for one and for the other

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