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Determine coordinates of reflection given equation

Thread starter euro94
Start date Mar 17, 2012
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Coordinates Reflection

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euro94

Thread starter
Mar 17, 2012

#1

Homework Statement

Find the coordinates of reflection of the point P (4,8) in the line y=-3/2 x + 14

Homework Equations

y= -3/2x + 14

The Attempt at a Solution

find a point on the line?

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HallsofIvy

Science Advisor

Homework Helper

Mar 17, 2012

#2

Can you find the equation of the line through (4, 8), perpendicular to that line? Do you see why you want that?

euro94

Mar 17, 2012

#3

would you have to sub in the point 4,8 in the equation and find the dot product?

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