Coordinate Geometry

Point of intersection of x + y = 2 and x - y = 0 is:

The distance of the point (3, -4) from the x-axis is:

Coordinates of centroid of triangle with vertices (1, 2), (3, 4), and (5, 6) are:

If the slope of line L1 is 1/2, then the slope of a line L2 perpendicular to L1 is:

Find the radius of the circle (x-1)^2 + (y+2)^2 = 16.

What is the area of a triangle with vertices (0,0), (1,0), and (0,1)?

The locus of points equidistant from two fixed points is:

Find the equation of a line passing through (1, 2) and (3, 4).

If the slope of line AB is undefined, then line AB is:

Centroid divides the median in the ratio:

Area of triangle with vertices (x1, y1), (x2, y2), and (x3, y3) is 0 if:

Distance between (cos theta, sin theta) and (sin theta, -cos theta) is:

The line segment joining (2, 3) and (-1, 5) is rotated 90 degrees clockwise about origin. New points are: