Answer:
The two lines are perpendicular as the multiplication of the two slopes of corresponding equations is -1.
Step-by-step explanation:
As the given equations
and 
We have to determine the relationship between lines.
Let us consider
.....[A]
.....[B]
As we know that slope intercept form of an equation is

Here, m is the slope of the equation.
Compare
with 
Let us consider m₁ be the slope of 
has a slope 
Solving Equation [A]

......[C]
Compare
with 
Let us consider m₂ be the slope of 
has a slope
Two lines will be perpendicular if the multiplication of the two slopes of corresponding equations is -1.
i.e. 
As
has a slope 
has a slope
So, lets multiply the slopes of equations [A] and [B].


Therefore, the two lines are perpendicular. Please also check the attached figure to visualize the relationship.
<em>Keywords: lines, perpendicular lines, slope</em>
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