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#201 2020-09-18 21:06:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Excellent!

CG#124. Prove that the points A(0,-1), B(-2,3), C(6,7), and D(8,3) are the vertices of a rectangle ABCD.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#202 2020-09-25 13:29:29

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#203 2020-09-25 15:28:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Good work!

CG#125. Show that the points A(1,3), B(2,6), C(5,7), and D(4,4) are the vertices of a rhombus.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#204 2020-10-02 18:13:10

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#205 2020-10-02 18:28:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work!

CG # 126.  Find the slope of the line perpendicular to the line joining the points (6, 10)and (-8, 4).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#206 2020-10-09 22:22:15

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#207 2020-10-09 22:46:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Good work!

CG # 127. If x(-4, 2), y(4, 6), and z(-4, -8) are three points, then find the angle between yx and yz.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#208 2020-10-16 14:00:19

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#209 2020-10-16 15:17:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Keep trying.

CG # 128. If the coordinates of the midpoints of the sides of a triangle are (2, 2), (4, -6), and (6, 8), find its centroid.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#210 2020-10-24 01:36:36

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#211 2020-10-24 13:51:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work!

CG#129. Find the co-ordinates of the incentre of the triangle whose vertices are A(8,-4), B(10,10), and C(-4,8).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#212 2020-10-30 16:30:50

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#213 2020-10-30 20:30:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work!

CG # 130. Find the area of the quadrilateral ABCD whose vertices are (-8,4), (2,-2), (8,2), and (4,10).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#214 2020-11-13 18:02:58

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#215 2020-11-13 18:33:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work!

CG#131. Find the ratio in which x + y = 5 divides AB, where A(6, -2) and B (4, 5) are two given points.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#216 2020-11-28 14:13:42

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#217 2020-11-28 23:39:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Good work!

CG#132. Find the area of a triangle whose vertices are (5, 4), (3, 6), and (2, -5).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#218 2020-12-01 11:54:09

Denominator
Member
Registered: 2009-11-23
Posts: 219

Re: Coordinate Geometry

Hi,


koko28.png

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#219 2020-12-01 18:36:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work!

CG # 133. Find the equation of the line passing through the points (-3, 2) and (4, 3).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#220 2021-01-06 20:39:55

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#221 2021-01-06 23:39:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Keep trying!

CG # 134. Find the equation of the line passing through the point (-2,8) and having a slope 2/3.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#222 2021-01-07 01:03:40

666 bro
Member
From: Flatland
Registered: 2019-04-26
Posts: 706

Re: Coordinate Geometry


"An equation for me has no meaning, unless it expresses a thought of God"- Srinivasa ramanujan

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#223 2021-01-07 04:34:54

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Coordinate Geometry

Last edited by irspow (2021-01-07 07:34:16)


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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#224 2021-01-07 14:40:51

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,956

Re: Coordinate Geometry

Hi,

Neat work, 666 bro and irspow!

CG # 135. Find the equation of the line passing through the point (-2,-3) and perpendicular to the line joining the points (1,5) and (3,7).


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

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

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#225 2021-01-20 05:52:50

irspow
Member
Registered: 2005-11-24
Posts: 1,055

Re: Coordinate Geometry


I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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