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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

.

CG#50. If (1, 2), (4, 6), (x, 6), and (3, 2) are the vertices of a parallelogram taken in order, then find the value of x.

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#51. Slope of the line joining the points (3, -2) and (-1, a) is

. Find the value of '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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#52. Find the slope of the line which is perpendicular to the straight line joining the points (-2, 6) and (4, 8).

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#53. Find the point of intersection of the straight lines 9x - y - 2 = 0 and 2x + y - 9 = 0.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#54. The straight line 4x + 3y - 12 = 0 intersects the y-axis at which point?

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#54 is correct. Neat work, Monox D. I-Fly!

CG#55. Find the x and y intercepts respectively of the line 2x - 3y + 6 = 0.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#55 is correct. Neat work, Monox D. I-Fly!

CG#56. The center of a circle is (-6, 4). If one end of the diameter of the circle is at (-12, 8), find the other end.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#56 is correct. Excellent, Monox D. I-Fly!

CG#57. Find the equation of the straight line passing through the origin and perpendicular to the straight line 2x + 3y - 7 = 0.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#57 is correct. Neat work, Monox D. I-Fly!

CG#58. Find the equation of a straight line parallel to y-axis and passing through the point (-2, 5).

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#58 is correct. Good work, Monox D. I-Fly!

CG#59. If the points (2, 5), (4, 6), and (a, a) are collinear, find the value of 'a'.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#59 is correct. Excellent, Monox D. I-Fly!

CG#60. If a straight line y = 2x + k passes through the point (1, 2), then find the value of k.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#61. Find the equation of a straight line having slope 3 and y-intercept -4.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#62. Find the value of k if the straight lines 3x + 6y + 7 = 0 and 2x + ky = 5 are perpendicular.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,626

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

The solution CG#62 is correct. Neat work, Monox D. I-Fly!

CG#63. Find the equation of the perpendicular bisector of the straight line segment joining the points (3, 4) and (-1, 2).

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 28,225

Hi,

CG#64. If x + 2y = 7 and 2x + y = 8 are the equations of the two diameters of a circle, find the radius of the circle if the point (0, -2) lies on the circle.

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

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