Practice Test


Q1) Joint equation of co-ordinate axes, in a plane, is Show Answer


Q2) Joint equation of two lines both parallel to X-axis, and each at a distance of 2 units from it, is Show Answer


Q3) Joint equation of two lines both parallel to Y-axis, and each at a distance of 3 units from it, is Show Answer


Q4) Joint equation of two lines, through the origin, having slopes 2 and -2 is Show Answer


Q5) Joint equation of lines bisecting angles between co-ordinate axes is Show Answer


Q6) Joint equation of lines, trisecting angles in first and third quadrants, is Show Answer


Q7) Joint equation of lines, trisecting angles in second and fourth quadrants, is Show Answer


Q8) Combined equation of pair of lines, through (1, 2), and parallel to co-ordinate axes, is Show Answer


Q9) Joint equation of lines, through the origin, making an equilateral triangle with line x = 1, is Show Answer


Q10) Joint equation of lines, through the origin, making an equilateral triangle with line y = 2, is Show Answer


Q11) Joint equation of two lines through (-2, 3), parallel to bisectors of angles between co-ordinate axes, is Show Answer


Q12) Joint equation of the X-axis and the bisector of the angle in the first quadrant is Show Answer


Q13) For specifying a straight line, how many geometerical parameters should be known ? Show Answer


Q14) Slope of a line which cuts a intercepts of equal lengths on the axes is Show Answer


Q15) If the intercept of a line between the coordinate axes is divided by the point (-5, 4) in the ratio 1 : 2, then find the equation of the line. Show Answer


Q16) The straight line whose sum of the intercepts on the axes is equal to half of the product of the intercepts, passes through the point whose coordinates are Show Answer


Q17) If the coordinates of the middle point of the portion of a line intercepted between the coordinate axes is (3,2), then the equation of the line will be Show Answer


Q18) If the straight line ax + by + c = 0 always passes through (1, -2), then a, b, c are in Show Answer


Q19) The ratio in which the line 3x + 4y + 2 = 0 divides the distance between the lines 3x + 4y + 5 = 0 and 3x + 4y - 5 = 0 is Show Answer


Q20) A straight line through P
(1, 2) is such that its intercept between the axes is bisected at P. Its equation is Show Answer


Q21) Equation of a line, which is intersecting the X - axis at a distance of 3 units to the left of origin with slope -2, is Show Answer


Q22) Find the equations of the lines, which cut off intercepts on the axes whose sum and product are 1 and -6, respectively. Show Answer


Q23) Let PS be the median of the triangle with vertices P (2, 2), Q (6, -1) and R (7, 3). The equation of the line passing through (1, -1) and parallel to PS is Show Answer


Q24) Find the equation of one of the sides of an isosceles right angled triangle whose hypotenuse is given by 3x + 4y = 4 and the opposite vertex of the hypotenuse is (2,2). Show Answer


Q25) A ray of light passing through the point (1,2) reflects on the X - axis at point A and the reflected ray passes through the point (5,3). Find coordinates of A. Show Answer


Q26) Find the equation of the line passing through the point (5,2) and perpendicular to the line joining the points ( 2,3) and (3,-1). Show Answer


Q27) Find the equation of the line passing through the point of intersection of 2x + y = 5 and x + 3y + 8 = 0 and parallel to the line 3x + 4y = 7. Show Answer


Q28) The equation of the straight line passing through the point (3, 2) and perpendicular to the line y = x is Show Answer


Q29) Find equation of the line passing through the point (2,2) and cutting off intercepts the axes whose sum is 9. Show Answer


Q30) The equation of the straight line joining the origin to the point of intersection of y - x + 7 = 0 and y + 2x - 2 = 0, is Show Answer


Q31) A line perpendicular to the line segment joining the points (1,0) and (2,3) divides it in the ratio 1 : n. Find the equation of the line. Show Answer


Q32) The equation of straight line through the intersection of the lines x - 2y = 1 and x + 3y = 2 and parallel to 3x + 4y = 0, is Show Answer


Q33) A line passes through (2,2) and is perpendicular to the line 3x + y = 3. Its y-intercept is Show Answer


Q34) The line through the points (h,3) and (4,1) intersects the line 7x -9y - 19 = 0 at right angle. Find the value of h. Show Answer


Q35) The inclination of the straight line passing through the point (-3,6) and the mid-point of the line joining the points (4,-5) and ( -2,9) is Show Answer


Q36) Distance between the lines 5x + 3y - 7 = 0 and 15x + 9y + 14 = 0 is Show Answer


Q37) The distance of the point of intersection of lines 2x - 3y + 5 = 0 and 3x + 4y = 0 from the line 5x - 2y = 0 is Show Answer


Q38) The coordinates of the foot of perpendicular from the point (2,3) on the line y = 3x + 4 is given by Show Answer


Q39) A point equidistant from the lines 4x + 3y + 10 = 0, 5x - 12y + 26 = 0 and 7x + 24y - 50 = 0 is Show Answer


Q40) The distance of the point (3, 5) from the line 2x + 3y - 14 = 0 measured parallel to line x - 2y = 1, is Show Answer


Q41) Equation of the line passing through (1,2) and parallel to the line y = 3x - 1 is Show Answer


Q42) The equation of the bisector of the acute angle between the lines 3x - 4y + 7 = 0 and 12x + 5y - 2 = 0 is Show Answer


Q43) The equation of bisectors of the angles between the lines |x| = |y| are Show Answer


Q44) Equation of diagonals of the square formed by the lines x = 0, y = 0, x = 1 and y = 1 are Show Answer


Q45) Lines 2x + y = 1 and 2x + y = 7 are Show Answer


Q46) Two vertices of a triangle are ( 5, -1) and ( -2, 3). If the orthocentre of the triangle is the origin, then coordinates of third vertex are Show Answer


Q47) Orthocentre of triangle with vertices (0,0), (3,4) and (4,0) is Show Answer


Q48) The point moves such that the area of the triangle formed by it with the points (1,5) and (3, -7) is 21 sq units. The locus of the point is Show Answer


Q49) If 5a + 4b + 20c = t, then the value of t for which the line ax + by + c - 1 = 0 always passes through a fixed point is Show Answer


Q50) If the distance of any point (x,y) from the origin is defined as d ( x, y) = max { | x | , | y | }, d ( x,y) = a, non- zero constant, then the locus is a Show Answer


Q51) One diagonal of a square is along the line 8x - 15y = 0 and one of its vertex is (1,2). Then, the equations of the sides of the square passing through this vertex are Show Answer


Q52) A light ray coming along the line 3x + 4y = 5 gets reflected from the line ax + by = 1 and goes along the line 5x - 12y = 10. Then, Show Answer


Q53) The straight lines 4ax + 3by + c = 0, where a + b + c = 0, are concurrent at the point Show Answer


Q54) Two sides of a triangle are the lines (a+b) x + (a-b) y - 2ab = 0
and (a-b)x + (a+b)y - 2ab = 0. If the triangle is isosceles and the third side passes through point (b-a, a-b), then the equation of third side can be Show Answer


Q55) Consider the straight lines x + 2y + 4 = 0 and 4x + 2y - 1= 0. The line 6x + 6y + 7 = 0 is Show Answer


Q56) The equation of line L is Show Answer


Q57) Area formed by the line L with coordinate axis is Show Answer


Q58) Consider a, b and c are variables.
Statement I Such that 3a + 2b + 4c = 0, then the family of lines given by ax + by + c = 0 pass through a fixed point (3,2).
Statement II The equation ax + by + c = 0 will represent a family of straight line passing through a fixed point iff there exists a linear relation between a, b and c. Show Answer


Q59) Statement I Each point on the line y - x + 12 = 0 is equidistant from the lines 4y + 3x - 12 = 0, 3y + 4x - 24 = 0.
Statement II The locus of a point which is equidistant from two given lines is the angular bisector of the two lines.
Show Answer


Q60) The lines x + y = | a | and ax - y = 1 intersect each other in the first quadrant. Then, the set of all possible values of a in the interval Show Answer


Q61) The perpendicular bisector of the line segment joining P(1,4) and Q (k,3) has y-intercept -4. Then, a possible value of k is Show Answer


Q62) A straight line through the point A ( 3,4) is such that is intercept between the axis is bisected at A. Its equation is Show Answer


Q63) The equation of the bisector of the acute angles between the lines 3x - 4y + 7 = 0 and 12x + 5y - 2 = 0 is Show Answer


Q64) The equation of the straight line passing through the point (4, 3) and making intercepts on the coordinate axes whose sum is -1, is Show Answer


Q65) Equation of the straight line making equal intercepts on the axes and passing through the point ( 2 , 4 ), is Show Answer


Q66) The equation of the line which is such that the portion of line segment intercepted between the coordinate axes is bisected at ( 4 , - 3) , is Show Answer


Q67) If P is length of the perpendicular from origin on the line whose intercepts on the axes are a and b , then Show Answer


Q68) The equation of the line bisecting perpendicularly the segment joining the points ( - 4 , 6 ) and (8 , 8) , is Show Answer


Q69) If a line passes through the point ( 2 , 2 ) and encloses a triangle of area A square units with the coordinate axes, then the intercepts made by the line on the coordinate axes are the roots of the equations Show Answer


Q70) In the above question the coordinates of the other two vertices are Show Answer


Q71) L is variable line such that the algebraic sum of the distances of the points ( 1, 1) , ( 2, 0 ) and ( 0 , 2 )
from the line is equal to zero. The line L will always pass through Show Answer


Q72) The orthocenter of the triangle formed by (0, 0) , (8, 0) , ( 4 , 6) is Show Answer


Q73) The number of the straight lines which are equally inclined to both the exes, is Show Answer


Q74) If A ( 2 , -1 ) and B( 6, 5 ) are two points, then the ratio in which the foot of the perpendicular from ( 4 , 1 ) to AB divided it , is Show Answer


Q75) If A and B are two fixed points, then the locus of a point which moves in such a way that the angle APB is a right angle is Show Answer


Q76) The vertices of a triangle are ( 0 , 3 ) ( -3 , 0 ) and ( 3 , 0 ) . The coordinates of its orthocentre are Show Answer


Q77) Points A ( 1 , 3 ) & C ( 5 , 1 ) are opposite vertices of a rectangle ABCD. If slope of BD is 2, then its equation is Show Answer


Q78) P ( 2 , 1 ),Q ( 4 ,- 1 ), R ( 3 , 2 ) are the vertices of a triangle and if through P and R lines parallel to opposite sides are drawn to intersect in S, then the area of PQRS is Show Answer


Q79) If foot of perpendicular from origin to a straight line is at point ( 3 , -4 ). Then, equation of the line is Show Answer


Q80) Two points A and B move on the coordinate axes such that the distance between them remains same. The locus of the mid-point of AB is Show Answer


Q81) The equation of line through the point ( 1 , 2 ) whose distance from the point ( 3, 1 ) has the greatest value, is Show Answer


Q82) In a rhombus ABCD the diagonals AC and BD intersect at the point ( 3 ,4 ). If the point A is ( 1 ,2 ) the diagonal BD has the equation Show Answer


Q83) The equation to the bisecting join of ( 3 ,- 4 ) & ( 5 ,2 ) & having its intercepts on x-axis & the y-axis in the ratio 2:1 is Show Answer


Q84) A(-5 ,0) and B(3, 0) are two of the vertices of a triangle ABC. Its area is 20 square cms. The vertex C lies on the line x - y = 2. The coordinates of C are Show Answer


Q85) An equation of st. line which passes through point (1, -2) & cuts off equal intercepts from axes will be Show Answer


Q86) The coordinates of three vertices of a quadrilateral in order are (6 ,1),(7, 2) and (-1 ,0). If the area of the quadrilateral is 4 square units, then the locus of the fourth vertex is Show Answer


Q87) Two points (a ,0) and (0, b) are joined by a straight line. Another point on this line, is Show Answer


Q88) The equation of line bisecting perpendicularly the segment joining the points (-4 ,6) and (8, 8), is Show Answer


Q89) A triangle ABC, right angled at A, has points A& B as (2, 3) & (0, -1) respectively. If BC = 5 units, then point C, is Show Answer


Q90) A ray of light passing through the point (1,2) is reflected on the x-axis at a point P and passes through the point (5, 3), then the abscissa of a point P is Show Answer


Q91) The area of the triangle formed by y-axis, the straight line L passing through (1 ,1) and (2 ,0) and the straight line perpendicular to the line L and passing through (1/2 ,0) Show Answer


Q92) If sum of distances from a point P on two mutually perpendicular straight lines is 1 unit, then locus of P is Show Answer


Q93) A line has slope m and y - intercept 4. The distance between the origin and the line is equal to Show Answer


Q94) The orthocenter of the triangle whose vertices are (5 ,-2),(-1 ,2) and (1 ,4), is Show Answer


Q95) Orthocenter of triangle with vertices (0, 0), (3, 4) and (4, 0) is Show Answer


Q96) The equation of the straight lines passing through the point (4, 3) and making intercepts on the coordinate axes whose sum is -1, is Show Answer