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Q1) (a) What is the distance of a point (x,y) to the line −2x+4y=−16? The solution...

Q1) (a) What is the distance of a point (x,y) to the line −2x+4y=−16? The solution should be a function of x and y.

(b) The set of points equidistant from the lines −2x+4y=−16 and 5x−4y=28 forms two lines. Give implicit equations for these two lines.

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