They are perpendicular lines because the slopes are 3/4 and -4/3 respectively.
y = -x/4
The line x = -4 is vertical, so a line that is perpendicular to it is horizontal, so its slope is 0.
Parallel. They both have a slope of 4.
y = 1/3x+4
They are perpendicular lines because the slopes are 3/4 and -4/3 respectively.
No. No. No. No.
y = -x/4
The line x = -4 is vertical, so a line that is perpendicular to it is horizontal, so its slope is 0.
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Parallel. They both have a slope of 4.
3x+y = 4 y = -3x+4 Perpendicular slope: 1/3
y = 1/3x+4
The second equation works out as y = -1/2x+6 therefore it is perpendicular
The lines are mutually perpendicular.
11
No because the slope of the second equation is 1/4 and for it to be perpendicular to the first equation it should be 1/3