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The equation of a line parallel to 3x – 2y + 1 = 0 and passing through the origin is

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Important Questions on Coordinate Geometry

EASY
A straight line through the origin O meets the parallel lines 4x+2y=9 and 2x+y+6=0 at P and Q respectively. The point O divides the segment PQ in the ratio
EASY

The equation of the graph shown here is:

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MEDIUM
If P(-3,-2,4), Q(-9,-8,10) and R(-5,-4,6) are collinear, then the ratio in which R divides PQ is
EASY

In the given figure, AP bisect BAC. If AB=4cm, AC=6 cm and BP=3 cm, then the length of CP is:

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MEDIUM
Let ABCD be a square of side length 1, and Γ a circle passing through B and C, and touching AD. The radius of Γ is
EASY
The points a,b+c,b,c+a,c,a+b are the vertices of which of the following?
HARD
If the distance between the points (x,0) and (-7, 0) is 10. Then, the possible values of x are ______.
MEDIUM
If the equation of a line which divides the line segment joining the points 1,0 and 3,0 in the ratio 2:1 and is also perpendicular to it, is ax=7, then the value of a is equal to
MEDIUM

Find the area of the triangle formed with the three straight lines represented by:

i x+y=0ii 3x = 5y; andiii y=3x-12

MEDIUM

Find the ratio in which line 3x+2y=17 divides the line segment joined by points 2,5 and 5,2.

EASY
In ABC, D, E and F are the midpoints of the sides AB, BC and CA, respectively. If AB=12 cm, BC=20 cm and CA=15 cm, then the value of 12DE+EF+DF is:
MEDIUM
In a ABC, medians, AD and BE are drawn. If AD=4, DAB=π6 and ABE=π3, then the area of the ABC is
MEDIUM
What is the area (in square units) of the triangular region enclosed by the graphs of the equations x+y=3, 2x+5y=12 and the x-axis?
MEDIUM
Let x0,y0 be fixed real numbers such that x02+y02>1. If x, y are arbitrary real numbers such that x2+y21, then the minimum value of x-x02+y-y02 is
 
HARD
Let S be the focus of parabola x2+8y=0 and Q be any point on it. If P divides the line segment SQ in the ratio 1 : 2, then the locus of P is
EASY
The points (2,3,4),(-1,-2,1) and (5,8,7) are
EASY
P(8,10) and Q(14,-2) are two given points and the point R divides the line-segment PQ externally in the ratio 8: 6. The coordinates of R are
HARD
Find the area of the triangle formed by the lines x-3y=0, x-y=4 and x+y=4.
HARD
Let ABCD be a square of side length 1 . Let P,Q,R,S be points in the interiors of the sides AD,BC,AB,CD respectively, such that PQ and RS intersect at right angles. If PQ=334, then RS equals
MEDIUM
Let A=a1,a2 and B=b1, b2 be two points in the plane with integer coordinates. Which one of the following is not a possible value of the distance between A and B?