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RD Sharma MCQs: Coordinate Geometry - Mathematics (Maths) Class 9

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 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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42 videos|378 docs|65 tests

FAQs on RD Sharma MCQs: Coordinate Geometry - Mathematics (Maths) Class 9

1. What is the coordinate geometry?
Ans. Coordinate geometry is a branch of mathematics that deals with the study of geometric figures using the principles of algebra. It involves representing points, lines, and curves on a coordinate plane using coordinates and equations.
2. How do you find the distance between two points in coordinate geometry?
Ans. To find the distance between two points in coordinate geometry, you can use the distance formula. The distance between two points (x1, y1) and (x2, y2) is given by the formula: Distance = √((x2 - x1)^2 + (y2 - y1)^2)
3. What is the equation of a straight line in coordinate geometry?
Ans. The equation of a straight line in coordinate geometry can be represented in various forms, including slope-intercept form (y = mx + c), point-slope form (y - y1 = m(x - x1)), and general form (Ax + By + C = 0), where m is the slope of the line and (x1, y1) is a point on the line.
4. How can you determine if two lines are parallel using coordinate geometry?
Ans. Two lines are parallel if and only if their slopes are equal. In coordinate geometry, you can determine if two lines are parallel by comparing their slopes. If the slopes of two lines are equal, then the lines are parallel; otherwise, they are not.
5. What is the midpoint formula in coordinate geometry?
Ans. The midpoint formula in coordinate geometry is used to find the coordinates of the midpoint of a line segment. The coordinates of the midpoint between two points (x1, y1) and (x2, y2) are given by the formula: Midpoint = ((x1 + x2)/2, (y1 + y2)/2)
42 videos|378 docs|65 tests
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