This GMAT Quant Practice question is from coordinate geometry. A GMAT hard math question. The question can be classified as a GMAT 700 level question. The primary idea tested in this GMAT quant question: equations of straight lines and coordinates of points that lie on the straight line. GMAT Quant Question Set S contains points whose abscissa (x coordinate of the point) and … [Read more...] about GMAT Quant | Coordinate Geometry