Q. 13.5( 68 Votes )
Find the slopes of the lines which make 
with the positive direction of x – axis.
Answer :
Given 
To Find: Slope of the line
Angle made with the positive x - axis is 
The Slope of the line is m
Formula Used: m = tanθ
So, The slope of Line is m = tan 
= – 1
Hence, The slope of the line is – 1.
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