18 JEE Main 2019 Straight Lines previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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.
Let S be the set of all triangles in the x y -plane, each having one vertex at the origin and the other two vertices li…
If the line 3 x + 4 y - 24 = 0 intersects the x -axis is at the point A and the y -axis at the point B , then the incen…
A point P moves on the line 2 x - 3 y + 4 = 0 . If Q 1 ,   4 and R 3 ,   - 2 are fixed points, then the locus…
Two vertices of a triangle are 0 , 2 and 4 , 3 . If its orthocenter is at the origin, then its third vertex lies in whi…
If a straight line passing through the point P - 3 ,   4 is such that its intercepted portion between the coordina…
Lines are drawn parallel to the line 4 x - 3 y + 2 = 0 , at a distance 3 5 units from the origin. Then which one of the…
Two sides of a parallelogram are along the lines, x + y = 3 and x - y + 3 = 0 . If its diagonals intersect at 2 , 4 , t…
Slope of a line passing through P ( 2 ,   3 ) and intersecting the line x + y = 7 at a distance of 4 units from P…
In a triangle, the sum of lengths of two sides is x and the product of the lengths of the same two sides is y. if x²-c²…
Consider the set of all lines p x + q y + r = 0 such that 3 p + 2 q + 4 r = 0 . Which one of the following statements i…
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