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#126 2019-07-19 15:39:07

ganesh
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Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

CG#85. Find the value of k for which the points (7, -2), (5, 1), and (3, k) are collinear.


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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#127 2019-07-19 18:58:09

Monox D. I-Fly
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From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Coordinate Geometry


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
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#128 2019-07-20 00:31:53

ganesh
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Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

The solution CG#85 is correct. Excellent, Monox D. I-Fly!

CG#86. Find the value of k for which the points (8, 1), (k, -4), and (2, -5) are collinear.


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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#129 2019-07-21 14:31:23

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Coordinate Geometry


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#130 2019-07-21 15:48:56

ganesh
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Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

The solution CG#86 is correct. Excellent, Monox D. I-Fly!

CG#87. Find the distance between the points (0, 0) and (36, 15).


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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#131 2019-07-21 18:57:00

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Coordinate Geometry


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#132 2019-07-21 22:16:27

ganesh
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Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

The solution CG#87 is correct. Neat work, Monox D. I-Fly!

CG#88. Determine whether the points (1, 5), (2, 3), and (-2, -11)are collinear or not.


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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#133 2019-07-22 14:22:42

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Coordinate Geometry


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#134 2019-07-22 16:08:12

ganesh
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Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

.

CG#89. Check whether (5, -2), (6, 4), and (7, -2) are the vertices of an isosceles 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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#135 2019-07-24 00:40:16

ganesh
Administrator
Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

CG#90. Find the values of y for which the distance between the points P(2, -3) and Q(10, y) is 10 units.


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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#136 2019-07-25 14:56:26

ganesh
Administrator
Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

CG#91. Find the area of a rhombus if its vertices are (3, 0), (4, 5), (-1, 4), and (-2, -1) taken in order. (Hint : Area of a rhombus =  ½ x (product of its diagonals)).


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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#137 2020-01-05 03:12:18

ganesh
Administrator
Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

CG#92. Find the coordinates of a point A, where AB is the diameter of a circle whose center is (2,-3) and B is (1,4).


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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#138 2020-01-18 00:51:39

666 bro
Member
Registered: 2019-04-26
Posts: 33

Re: Coordinate Geometry

Hi
Solution of CG#92 is A(3, -10).


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

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#139 2020-01-18 02:34:02

ganesh
Administrator
Registered: 2005-06-28
Posts: 29,567

Re: Coordinate Geometry

Hi,

Excellent! The solution CG#92 is correct!

CG#93. Find the area of a triangle whose vertices are (-5, -1), (3, -5), and (5, 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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