Line Point Distance Multiple Choice Questions and Answers (MCQs)

This set of Data Structures & Algorithms Multiple Choice Questions & Answers (MCQs) focuses on “Line Point Distance”.

1. The shortest distance between a line and a point is achieved when?
a) a line is drawn at 90 degrees to the given line from the given point
b) a line is drawn at 180 degrees to the given line from the given point
c) a line is drawn at 60 degrees to the given line from the given point
d) a line is drawn at 270 degrees to the given line from the given point
View Answer

2. What is the shortest distance between the line given by ax + by + c = 0 and the point (x1,y1)?
a)
b)
c)
d) ax1+by1+c
View Answer

3. What is the shortest distance between the line given by -2x + 3y + 4 = 0 and the point (5,6)?
a) 4.5 units
b) 5.4 units
c) 4.3 units
d) 3.3 units
View Answer

4. What is the general formula for finding the shortest distance between two parallel lines given by ax+by+c1=0 and ax+by+c2=0?
a)
b)
c)
d) c1+c2
View Answer

5. What is the distance between the lines 3x-4y+7=0 and 3x-4y+5=0?
a) 1 unit
b) 0.5 unit
c) 0.8 unit
d) 0.4 unit
View Answer

6. What will be the slope of the line given by ax + by + c = 0?
a) -a/b
b) -b/a
c) -c/a
d) a/c
View Answer

7. What will be the slope of the line given by 10x + 5y + 8=0?
a) -5
b) -2
c) -1.25
d) 5
View Answer

8. What will be the co-ordinates of foot of perpendicular line drawn from the point (-1,3) to the line 3x-4y-16=0?
a) (1/5,2/5)
b) (2/25,5/25)
c) (68/25,-49/25)
d) (-49/25,68/25)
View Answer

9. Which of the following is used to find the absolute value of the argument in C++?
a) abs()
b) fabs()
c) mod()
d) ab()
View Answer

10. What will be the slope of the line perpendicular to the line 6x-3y-16=0?
a) 1/2
b) -1/2
c) 2
d) -2
View Answer

11. Find the output of the following code.

#include<math.h> 
#include<iostream>
using namespace std;
void distance(float x, float y, float a, float b, float c) 
{ 
	float d = fabs((a * x + b * y + c)) / (sqrt(a * a + b * b)); 
	cout<<d;
	return; 
} 
int main() 
{ 
	float x = -2; 
	float y = -3; 
	float a = 5; 
	float b = -2; 
	float c = - 4; 
	distance(x, y, a, b, c); 
	return 0; 
}

a) 2.8
b) 1.8
c) 1.4
d) 2.4
View Answer

Sanfoundry Global Education & Learning Series – Data Structures & Algorithms.

To practice all areas of Data Structures & Algorithms, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]