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#51 2019-05-14 15:51:18

ganesh
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Re: Coordinate Geometry

Hi,

.

Good attempt,  Monox D. I-Fly!

CG#26. Find the equation of the straight line whose slope is -4 and passing through the point (1,2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#52 2019-05-15 16:54:45

ganesh
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Re: Coordinate Geometry

Hi,

CG#27. Find the equation of the straight line whose slope is

and passing through (5, -4).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#53 2019-05-16 17:35:08

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#28. Using the concept of slope, show that the following set of points are collinear: (2, 3), (3, -1), and (4, -5).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#54 2019-05-17 16:50:45

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#29. Using the concept of slope, show that the following set of points are collinear (4, 1), (-2, -3), and (-5, -5).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#55 2019-05-18 17:18:30

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#30. Using the concept of slope, show that the following set of points are collinear (4, 4), (-2, 6), and (1, 5).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#56 2019-05-19 16:08:48

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#31. Find the centroid of the triangle whose vertices are (1, 3), (2, 7), and (12, -16).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#57 2019-05-20 16:02:04

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

.

CG#32. Find the centroid of the triangle whose vertices are (3, -5), (-7, 4), and (10, -2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#58 2019-05-21 16:03:54

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#33. The center of a circle is at (-6, 4). If one end of a diameter of a circle is at the origin, find the other end.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#59 2019-05-22 15:52:10

ganesh
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Re: Coordinate Geometry

Hi,

CG#34.Using the section formula, show that the points A(1, 0), B(5, 3), C(2, 7), and D(-2, 4) are the vertices of a parallelogram taken in order.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#60 2019-05-23 18:04:55

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#35. If the centroid of a triangle is at (1, 3) and two of its vertices are (-7, 6) and (8, 5), then find the third vertex of the triangle.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#61 2019-05-24 16:12:06

ganesh
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Re: Coordinate Geometry

Hi,

CG#35. (A) Find the coordinates of the point which divides the line segment joining (3, 4) and (-6, 2)in the ratio 3 : 2 externally.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#62 2019-05-25 15:38:24

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#36. Find the equation of the straight line passing through the points (0, -6) and (-8, 2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#63 2019-05-26 15:33:13

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#37. Find the equation of the straight line passing through the the point (3, 4) and has intercepts which are in the ratio 3 : 2.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#64 2019-05-27 15:52:23

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#38. Find the equation of the straight lile passing through the point (5, -3) whose intercepts on the axes are equal in magnitude but opposite in sign.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#65 2019-05-28 15:46:58

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#39. Find the equation of the line passing through the point (9, -1) and hiving its x-intercept thrice as its y-intercept.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#66 2019-05-29 15:48:42

ganesh
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Re: Coordinate Geometry

Hi,

CG#40. A straight line cuts the coordinate axes at A and B. If the midpoint of AB is (3, 2), then find the equation of the line.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#67 2019-05-30 14:58:58

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#41. If the straight lines

and
are parallel, find 'a'.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#68 2019-05-31 15:01:31

ganesh
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Re: Coordinate Geometry

Hi,

CG#42. Find the value of a  if the straight lines 5x - 2y - 9 = 0 and ay + 2x - 11 = 0 are perpendicular to each other.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#69 2019-06-01 14:52:23

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#43. Find the equation of the straight line parallel to the line 3x - y + 7 = 0 and passing through the point (1, -2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#70 2019-06-02 16:05:25

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#44. Find the equation of the straight line perpendicular to the staright line x - 2y + 3 = 0 and passing through the point (1, -2).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#71 2019-06-03 15:15:51

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#45. If the vertices of ΔABC are A(2, -4), B(3, 3), and C(-1, 5), find the equation of the straight line along the altitude from the vertex B.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#72 2019-06-04 15:18:52

ganesh
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Registered: 2005-06-28
Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#46. If the vertices of

ABC are A(-4, 4), B(8, 4), and C(8, 10),find the equation of the straight line along the median from vertex A.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#73 2019-06-05 16:05:15

ganesh
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Registered: 2005-06-28
Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#47. Find the coordinates of the foot of the perpendicular from the origin on the staright line 3x + 2y = 13.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#74 2019-06-06 14:46:25

ganesh
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Registered: 2005-06-28
Posts: 28,731

Re: Coordinate Geometry

Hi,

CG#48. Find the midpoint of the line joining (a, -b) and (3a, 5b).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#75 2019-06-07 14:31:05

ganesh
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Posts: 28,731

Re: Coordinate Geometry

Hi,

.

CG#49. Find the centroid of the triangle with vertices (-2, -5), (-2, 12), and (10, -1).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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