Answer:
Given lines are PERPENDICULAR to each other.
Explanation:
We have the equations,
and

The slope-intercept form of a straight line is 'y=mx+b', where m is the slope and b is the y-intercept.
So, accordingly we get that,
The given equations have slopes
and
.
As we see that,

Thus, the product of the slopes of the given lines is -1.
Hence, the given lines are PERPENDICULAR to each other.