What is the slope of the line perpendicular to X-asis?

What is the slope of the line perpendicular to the line x/4+y/3=1 ?

What is the slope of the line perpendicular to the line (x)/(4) + (y)/(3) = 1 ?

What is the slope of the line perpendicular to the line passing through the points (3,5) and (-4,2) ?

Consider the points A (2,3) and B (6,5) What is the slope of a line perpendicular to AB?

The slope of a line in the standard (x,y) coordinate plane is 4. What is the slope of a line perpendicular to that line ?

Consider the straight line 3x+4y+8=0 What is the slope of the line which is perpendicular to the given line.

Which is the slope of the line perpendicular to the line with slope -3/2 ?

Consider the straight line 3x + 4y + 8 = 0  i. What is the slope of the line which is perpendicular to the given line? ii. If the perpendicular line passes through (2,3), form its equation,  iii. Find the foot of the perpendicular drawn from (2,3) to the given line.