Let `A(6,4)a n dB(2,12)` be two given point. Find the slope of a line perpendicular to `A Bdot`

Let A(6,4) and B(2,12) be two given points.Find the slope of a line perpendicular to AB.

Examples :( i )Let A(6;4) and B(2;12) be two given points.Find the slope of the line perpendicular to AB.(ii) If line 3x-ay-1=0 is parallel to the line (a-2)x-y+3=0 then find the values of a.

Let A(4,3) and B(6,4) be two points, find the slope of a line perpendicular to AB.

Find the slope of a line perpendicular to the line 3x+5y=8 .

Let P(0,1)and Q(4,0) are two points. Find the slope of line perpendicular to PQ.

if p(-3,2) and Q(2,5) are two points,find the slope of the line perpendicular to pQ

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

A line passing through the points A(2, -3) and B(6, 3). Find the slope of the line which is perpendicular to AB :

The equation of a line is given by 4y-6x+9=0. Find the slope of other line which is perpendicular to it.