RD Sharma MCQs: Coordinate Geometry Notes | EduRev

Mathematics (Maths) Class 9

Class 9 : RD Sharma MCQs: Coordinate Geometry Notes | EduRev

 Page 1


                        
 
                        
   
                        
   
                         
  
Q u e s t i o n : 3
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
a
ordinate
b
abscissa
c
quadrant
d
origin
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Example is shown in the graph 
Page 2


                        
 
                        
   
                        
   
                         
  
Q u e s t i o n : 3
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
a
ordinate
b
abscissa
c
quadrant
d
origin
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Example is shown in the graph 
Thus the correct answer is
d.
Q u e s t i o n : 4
The abscissa and ordinate of the origin are
a
0, 0
b
1, 0
c
0, 1
d
1, 1
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Page 3


                        
 
                        
   
                        
   
                         
  
Q u e s t i o n : 3
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
a
ordinate
b
abscissa
c
quadrant
d
origin
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Example is shown in the graph 
Thus the correct answer is
d.
Q u e s t i o n : 4
The abscissa and ordinate of the origin are
a
0, 0
b
1, 0
c
0, 1
d
1, 1
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
The origin is shown in the graph 
Thus the correct answer is
a.
Q u e s t i o n : 5
The measure of the angle between the coordinate axes is
a
0°
b
90°
c
180°
d
360°
S o l u t i o n :
As we know that x-axis and y-axis intersect to each other at point O and perpendicular to each other. So, the angle
between the coordinate axes is .
Page 4


                        
 
                        
   
                        
   
                         
  
Q u e s t i o n : 3
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
a
ordinate
b
abscissa
c
quadrant
d
origin
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Example is shown in the graph 
Thus the correct answer is
d.
Q u e s t i o n : 4
The abscissa and ordinate of the origin are
a
0, 0
b
1, 0
c
0, 1
d
1, 1
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
The origin is shown in the graph 
Thus the correct answer is
a.
Q u e s t i o n : 5
The measure of the angle between the coordinate axes is
a
0°
b
90°
c
180°
d
360°
S o l u t i o n :
As we know that x-axis and y-axis intersect to each other at point O and perpendicular to each other. So, the angle
between the coordinate axes is .
Thus the correct answer is
b.
Q u e s t i o n : 6
A point whose abscissa and ordinate are 2 and -5 respectively, lies in
a
First quadrant
b
Second quadrant
c
Third quadrant
d
Fourth quadrant
S o l u t i o n :
As shown in graph that a point whose abscissa and ordinate are and  respectively lies in the fourth quadrant.
Page 5


                        
 
                        
   
                        
   
                         
  
Q u e s t i o n : 3
Mark the correct alternative in each of the following:
The point of intersect of the coordinate axes is
a
ordinate
b
abscissa
c
quadrant
d
origin
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
Example is shown in the graph 
Thus the correct answer is
d.
Q u e s t i o n : 4
The abscissa and ordinate of the origin are
a
0, 0
b
1, 0
c
0, 1
d
1, 1
S o l u t i o n :
As we know that:
The distance of a point from y-axis is called its x-coordinate or abscissa.
The distance of a point from x-axis is called its y-coordinate or ordinate.
The coordinate axes divide the plane into four equal parts which are known as quadrants.
The point of intersection of the coordinate axes is called the origin and the coordinates of origin are .
The origin is shown in the graph 
Thus the correct answer is
a.
Q u e s t i o n : 5
The measure of the angle between the coordinate axes is
a
0°
b
90°
c
180°
d
360°
S o l u t i o n :
As we know that x-axis and y-axis intersect to each other at point O and perpendicular to each other. So, the angle
between the coordinate axes is .
Thus the correct answer is
b.
Q u e s t i o n : 6
A point whose abscissa and ordinate are 2 and -5 respectively, lies in
a
First quadrant
b
Second quadrant
c
Third quadrant
d
Fourth quadrant
S o l u t i o n :
As shown in graph that a point whose abscissa and ordinate are and  respectively lies in the fourth quadrant.
Thus the correct answer is
d.
Q u e s t i o n : 7
Points -4, 0
and 7, 0
lie
a
on x-axis
b
y-axis
c
in first quadrant
d
In second quadrant
S o l u t i o n :
Let the points P and Q whose coordinates are and respectively. Locate the points and you will see that
they lie on x-axis.
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