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Now write the slope of the line of reflection and any dotted line.

Now write the slope of the line of reflection and any dotted line.-example-1
User Sinky
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The slope of one of the dotted lines is equal to: 1.

The slope of the reflection line is equal to: -1.

The following mathematical equation can be used in geometry and mathematics to find the slope of any straight line:

Slope (m) is equal to (y-axis change, Δy) / (x-axis change, Δx).

Rise/run = slope (m)

slope (m) =
(y_(2)-y_(1) )/(x_(2)-x_(1) )

The slope of one of the dotted lines can be found by entering the provided data points (-5, 6) and (-2, 9) into the formula for line slope.

m = (9 - 6)/(-2 + 5) is the slope.

Slope (m) equals 1/3

Slope (m) is equal to 1.

The slope of the reflection line can be found by using the given data points (-5, 6) and (-4, 5) as substitutes in the slope of a line formula.

m = (5 - 6)/(-4 + 5) is the slope.

Slope (m) equals -1/1.

Slope (m) is equal to -1

User LPCRoy
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