1.

Find the equation of a line equidistant from the lines y = 10 and y = – 2.

Answer»

A line which is equidistant from the lines y = 10 and y = – 2 

To Find: The equation of the line 

Formula used: The equation of line is [y – y1 = m(x – x1)] 

Explanation: A line which is equidistant from, two other lines, 

So, the slopes must be the same . 

Therefore, The slope of line y = 10 and y = – 2 is 0, because lines are parallel to the x–axis. 

Since, The required line will pass from the midpoint of the line joining (0, – 2) and (0, 10) 

The Midpoint formula = \(\Big[\frac{x+x_1}{2},\frac{y+y_1}{2}\Big]\)

So, The coordinates of the point will be \(\Big[0,\frac{10-2}{2}\Big]\) (0, 4) 

Since The equation of the line is : 

y – 4 = 0(x – 0) 

y = 4 

Hence, The equation of the line is y = 4



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