9 JEE Main 2012 Straight Lines previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 previous-year questions from the Straight Lines chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Straight Lines chapter hub.
If the straight lines x+3 y=4,3 x+y=4 and x+y =0 form a triangle, then the triangle is
The line parallel to x-axis and passing through the point of intersection of lines a x+2 b y+3 b=0 and b x-2 a y-3 a=0,…
If the point (1, a) lies between the straight lines x+y=1 and 2(x+y)=3 then a lies in interval
A line is drawn through the point (1,2) to meet the coordinate axes at P and Q such that it forms a triangle OPQ, where…
If the line 2 x+y=k passes through the point which divides the line segment joining the points (1,1) and (2,4) in the r…
If two vertices of a triangle are (5,-1) and (-2,3) and its orthocentre is at (0,0), then the third vertex is
Let L be the line y=2 x, in the two dimensional plane. Statement 1: The image of the point (0,1) in L is the point ((4)…
Consider the straight lines aligned & L₁: x-y=1 \ & L₂: x+y=1 \ & L₃: 2 x+2 y=5 \ & L₄: 2 x-2 y=7 aligned The correct s…
The point of intersection of the lines (a³+3 ) x+a y+a-3=0 and (a⁵+2 ) x+(a+2) y+2 a+3=0 (a real) lies on the y-axis for