The line 4x - 3y + 12 = 0 meets x-axis at A. Write the co-ordinates of A.
Determine the equation of the line through A and perpendicular to 4x - 3y + 12 = 0.
The equation of a line is 3x + 4y – 7 = 0. Find :
(i) the slope of the line
(ii) the equation of a line perpendicular to the given line and passing through the intersection of the lines x – y + 2 = 0 and 3x + y -10 = 0.
Find the equation of a line passing through (3, −2) and perpendicular to the line x−3 y+5=0