Mathematics
A straight line makes on the coordinate axes positive intercepts whose sum is 7. If the line passes through the point (-3, 8), find its equation.
Related Questions
A and B are two points on the x-axis and y-axis respectively.
(a) Write down the co-ordinates of A and B.
(b) P is a point on AB such that AP : PB = 3 : 1. Using section formula find the coordinates of point P.
(c) Find the equation of a line passing through P and perpendicular to AB.
A straight line passes through P(2, 1) and cuts the axes in points A, B. If BP : PA = 3 : 1.
Find :
(i) the coordinates of A and B.
(ii) the equation of the line AB.
If the coordinates of the vertex A of a square ABCD are (3, -2) and the equation of diagonal BD is 3x - 7y + 6 = 0, find the equation of the diagonal AC. Also find the coordinates of the centre of the square.
If the lines kx - y + 4 = 0 and 2y = 6x + 7 are perpendicular to each other, find the value of k.