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#1026 2017-03-14 12:50:19

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

611. Find the area of the quadrilateral, the coordinates of whose vertices are (3,-2), (5,4), (7,-6), and (-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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#1027 2017-03-14 17:12:47

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#1028 2017-03-14 18:30:58

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 611 is correct. Neat work, bobbym!

612. If A(-3,5), B(-2,-7), C(1,-8), and D(6,3) are the vertices of a quadrilateral ABCD, find its area.

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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#1029 2017-03-15 03:10:42

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#1030 2017-03-15 14:03:08

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 612 is correct. Excellent, bobbym!

613. Find the area of parallelogram ABCD if three of its vertices are A(2,4), B(2 + √3,5) and C(2,6).

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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#1031 2017-03-15 17:17:38

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#1032 2017-03-16 00:18:30

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 613 is correct. Marvelous, bobbym!

614. Find the value(s) of k for which the points (3k - 1,k - 2), (k,k - 7) and (k - 1,-k - 2) 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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#1033 2017-03-16 19:08:21

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1034 2017-03-16 23:58:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 614 is correct. Excellent, bobbym!

615. (i) Solve :
x + 2y + 2z = 11, 2x + y + z = 7, 3x + 4y + z = 14.

615. (ii) Solve :
x + 2y + z = 7, x + 3z = 11, 2x - 3y = 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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#1035 2017-03-17 10:19:28

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1036 2017-03-17 17:29:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 615 (two parts) are correct. Neat work, bobbym!

616. (i) Solve : 2x - y = 4, y - z = 6, x - z = 10.

616. (ii) Solve : 3x - 4y = 6z - 16, 4x - y - z = 5, x = 3y + 2(z - 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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#1037 2017-03-17 18:55:41

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#1038 2017-03-17 22:26:10

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 616 (two parts) are correct. Excellent, bobbym!

617. If the points A(-1,-4), B(b,c) and C(5,-1) are collinear and 2b + c = 4, find the values of b and c.

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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#1039 2017-03-18 12:01:23

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1040 2017-03-18 15:18:58

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 617 is correct. Marvelous, bobbym!

618. Find the Greatest Common Divisor of

and
.

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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#1041 2017-03-18 16:29:59

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1042 2017-03-18 17:14:47

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 618 is correct. Splendid, bobbym!

619. Evaluate:

.

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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#1043 2017-03-18 21:34:25

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1044 2017-03-18 22:18:40

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 619 is correct. Keep it up, bobbym!

620. Simplify:

.

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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#1045 2017-03-19 04:35:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1046 2017-03-19 13:56:02

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 620 is correct. Splendid, bobbym!

621. Simplify:

.

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.

Offline

#1047 2017-03-19 16:52:33

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1048 2017-03-19 17:17:33

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 621 is correct. Excellent, bobbym!

622. Evaluate:

.

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.

Offline

#1049 2017-03-19 18:34:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 108,456

Re: Compute the solution:

Hi;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#1050 2017-03-19 22:59:57

ganesh
Moderator
Registered: 2005-06-28
Posts: 22,575

Re: Compute the solution:

Hi;

The solution 622 is correct. Keep it up, bobbym!

623. Find the area of the following quadrilateral whose vertices are (6,1), (5,-6), (2,2), 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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