Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4103. Find the distance of the point (5,-5) from the origin.

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

**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,565

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.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

is correct. Excellent, Monox D. I-Fly!

#4104. What is the distance of the point (a,2a) from the origin?

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

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4105. If the point R(3,5) divides the points P(-1,-7) and Q(a,b) internally in the ratio 4:1, find the value of (b - 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.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4106. Find the coordinates of the point which divides the line joining the points (-3,1) and (3,7) externally in the ratio 7:1.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4107. In what ratio point R(-2,-1) internally divides the line joining the points P(-5,-2) and Q(4,1)?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4108. Find the mid-point of the points (-2,5) and (6,11)?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4109. If the coordinates of the mid-point of the points (4,2a) and (-2,a+6) is (1,-3), find the value of (a+5).

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4110. Find the distance between the points

(i) (-4,0) and (7,0).

(ii) (5,0) and (0,-12).

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4111. Find the distance between the points

(i) (-2,3) and (4,-5).

(ii) (9,0) and the origin.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4112. If AB = BC, where A(2,-7), C(4,3) and the sum of the abcissa and ordinate of the point B is 5. Find the coordinates of the point B.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4113. Find the coordinates of the point, which divides the line joining the points (-4,-2) and (8,7) internally in the ratio 2:3.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4114. In which ratio x-axis divides the line joining the points P(2,-4) and Q(-8,3)?

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4115. Find the slope of the line joining the points (4,2) and (7,6).

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4116. Find the slope of the line joining the points (-3,8) and (4,-2).

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4117. If the slope of the line joining the points (-4,a+2) and (1-2a,2) is

, find the value of 'a'.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4118. Find the equation of a line whose slope is

and y-intercept is 5.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4119. If a straight line passes through a point (2,-5) and its slope is -3, find the equation of the straight line.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

#4120. Find the equation of a line passing through the points (-1,5) and (2,7).

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4121. Find the equation of a straight line which cuts the intercepts -3 unit and

units on x-axis and y-axis, respectively.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4122. Find the acute angle between the lines y = 2x + 5 and y + 3x + 2 = 0.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4123. If the lines 2x + 4y + 5 = 0 and y = 2 + ax are parallel, find the value of 'a'.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4124. If lines y = 4x + 5 and y = (a + 1)x - 10 are perpendicular, find the value of 'a'.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4125. If the lines 2x + (a + 1)y + 5 = 0 and 5x + (3a - 1)y - 12 = 0 are parallel, find the value of 'a'.

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

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,850

Hi,

.

#4126. If the lines (4 + a)x + 3y - (a + 5) = 0 and 5x + (7 - 2a)y - (3a + 5) = 0 are perpendicular to each other, find the value of 'a'.

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

Offline