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Maths Class X Chap-1 , Chap-2 ,Chap-3 ,Chap-4 , Chap-5 ,Chap-6 ,Chap-7 ,Chap-8 ,Chap-9 ,Chap-10 ,Chap-11 ,Chap-12 ,Chap-13 ,Chap-14, Chap-15
Chapter 7 : Coordinate Geometry Answers
We are also conducting class room program for the preparation of AMU/JMI XI/Dip.Engg. Entrance Test-2018
Revision
1a. This study of coordinate geometry was initially developed by
1. The distance between two points (a, 2a) and (3a,-5a) is
Office:Silver Plaza, Opposite Kabir Colony , Anoop Shaher Road, Jamalpur Aligarh-202002, U.P-India
Maths Class X Chap-1 , Chap-2 ,Chap-3 ,Chap-4 , Chap-5 ,Chap-6 ,Chap-7 ,Chap-8 ,Chap-9 ,Chap-10 ,Chap-11 ,Chap-12 ,Chap-13 ,Chap-14, Chap-15
Chapter 7 : Coordinate Geometry Answers
We are also conducting class room program for the preparation of AMU/JMI XI/Dip.Engg. Entrance Test-2018
Revision
a) René
Déscartes
b) Galileo
c) Newton
d) Einstein
2a. The x-axis and y-axis divide xy-plane
into
a) One
quadrant
b) Two
quadrants
c) Three
quadrants
d) Four
quadrants
3a. The shortest distance of a point from
x-axis is known as
a) x-
coordinate
b) y-coordinate
c) z-coordinate
d) None
4a. The x and y coordinates of a point are
called as
a) Ordinate
& Abscissa respectively
b) Abscissa
& Ordinate respectively
c) Ordinate
& Co-ordinate respectively
d) Co-ordinate
& Ordinate respectively
5a. Which of the following points is
equidistant from both x and y axes.
a) (-2,
2)
b) (2,
2)
c) (-2,
-2)
d) All
of the above
6a. In which coordinate the point (-2,-15)
lies
a) I
Quadrant
b) II
Quadrant
c) III
Quadrant
d) IV
Quadrant
7a.
The point (-3, 5) lies
a) on
the right of y-axis and above the x-axis
b) on
the right of y-axis and below the x-axis
c) on
the left of y-axis and above the x-axis
d) on
the left of y-axis and below the x-axis
8a. Choose the incorrect option
a) The
point lies on left of y-axis if its abscissa is negative
b) The
point lies on right of y-axis if its abscissa is positive
c) The
point lies above the x-axis if its ordinate is negative
d) The
point lies above the x-axis if its ordinate is positive
9a. The point (-5, 0) lies on
a) x-axis
b) y-axis
c) above
x-axis
d) below
x-axis
10a. The point which lies on both x and y
axes is
a) (0,
0)
b) (1,
0)
c) (0,
1)
d) (1,
1)
11a. Which of the following has zero
distance from x- axis?
a) (0,
0)
b) (1,
0)
c) (-1,
0)
d) All
of the above
12a. Fill in
the blanks
The coordinates of a point on the x-axis
are of the form _____ and that of the point on the y-axis are _____.
a) (0
, x) , (0, y)
b) (x
, 0) , (y, 0)
c) (x
, y) , (y, x)
d) (x
, 0) , (0, y)
a) a√53
b) 2a√35
c) 3a√53
d) 5a√53
2. The distance of a point (a, 3a) from
the origin is
a) √10a
b) √10a
c) √8a
d) √8a
3. Find a relation between x and y such
that the point (x, y) is equidistant from the points (1, 2) and (2, 1).
a) x
+ y =1
b) x
- y =1
c) y
=x
d) y=-x
4. Find the equation of perpendicular
bisector of AB where A = (1, 2) and B = (-1, -2)
a) x
+y = 0
b) 3x
+ 8y = 0
c) x
+y = 1
d) 3x
+ 8y = 1
5. Find a point on the y-axis which is
equidistant from the points A (3, 2) and B (– 1, 5)
a) (0,13/6)
b) (0,-13/6)
c) (0,
5/6)
d) (0,
-5/6)
6. Find the intersection point of x-axis
and the perpendicular bisector of line joining the points (2, 3) and (3, 1)
a) (0,
1.5)
b) (0,
-1.5)
c) (1.5,
0)
d) (-1.5,
0)
7. Find the value of x such that distance
between (2, 1) and (x, 3) is 2
a) 0
b) 1
c) 2
d) 4
8. If (2, 3) is equidistant from (2, –2)
and (x,1), Find the value of x.
a) -2,
b) 6
c) Both
a & b
d) None
9. The
coordinates of the point P(x, y) which divides the line segment joining the points
A (x1, y1) and B(x2, y2),
internally, in the ratio m1: m2 are
a) (m1x2+m2x1)/
(m1+m2), (m1y2+m2y1)/
(m1+m2)
b) (m1x1+m2y1)/
(m1+m2), (m1x1+m2y2)/
(m1+m2)
c) (m1x1-m2x2)/
(m1+m2), (m1y1-m2y2)/
(m1+m2)
d) (m1y1-m2y1)/
(m1+m2), (m1x1-m2y2)/
(m1+m2)
10. The coordinates of the point P(x, y)
which divides the line segment joining the points A (x1, y1)
and B(x2, y2), internally, in the ratio k1: 1
are
a) (kx1+x2)/
(k+1), (ky1+y2)/ (k+1)
b) (kx2+x1)/
(k+1), (ky2+y1)/ (k+1)
c) (kx1+x2)/
(k-1), (ky1+y2)/ (k-1)
d) (kx2+x1)/
(k-1), (ky2+y1)/ (k-1)
11. Find the coordinates of the point which divides the line segment
joining the points (0, – 3) and (8, 0) in the ratio 3: 1 internally.
a) (3/4,
-4/3)
b) (-3/4,
4/3)
c) (6,
-3/4)
d) (6,
4/3)
12. The midpoint of a line segment joining
the points (-2, 3) and (6,-7) is
a) (1,1)
b) (-1,1)
c) (-2
,2)
d) (2,-2)
13. The coordinates of P and Q are (2, 5)
and (6, 7) respectively, find the coordinate of point R on PQ such that QR =
2PR
a) (-3,6)
b) (3,6)
c) (6,3)
d) (6,-3)
14. Find the ratio in which the x-axis
divides the line segment joining the points (2, – 3) and (–2, 5).
a) 3:5
b) 5:3
c) 4:3
d) 3:4
15. Find the coordinates of the point
where y-axis intersect the line segment joining the points (2, – 3) and (–2,
5).
a) (0,4)
b) (0,-4)
c) (4,0)
d) (-4,0)
16. If the points A(6, 1), B(8, 2), C(9,
4) and D(x, y) are the vertices of a parallelogram, taken in order, Find x and
y.
a) x=2
& y=5
b) x=5
& y=2
c) x=7
& y=3
d) x=3
& y=7
17. Find the ratio in which the line
segment joining the points (2, 1) and (5, 7) is divided by (4,5).
a) 2:1
b) 2:3
c) 3:4
d) 1:4
18. Find the coordinates of a point A,
where AB is the diameter of a circle whose centre is (4, 3) and B is (6, 1).
a) (-2,-5)
b) (-2,3)
c) (2,5)
d) (2,2)
19. If A and B are (– 2, – 3) and (5, 3), respectively,
find the coordinates of P such that
AB = (6/5) BP and P lies on the line
segment AB.
a) (-5,-2)
b) (-5/6,
-2)
c) (5/6,
2)
d) (5,
2)
20. Find the coordinate of the point P
such that AP is one-fourth of the line segment joining A (– 3, 2) and B (5, 2)
into four equal parts.
a) (2,3/4)
b) (3,3/4)
c) (-3/4,2)
d) (0,3/5)
21. Find the area of a rhombus if its
vertices are (0, 0), (4, 1), 5, 5) and (1, 4) taken in order
a) 10
unit.sq
b) 15
unit.sq
c) 20
unit.sq
d) 25
unit.sq
22. Find the area of a triangle whose vertices are (0, 0), (– 3, 4) and (4,
3).
a) 7
b) √7
c) √5
d) √5
23. Find the area of triangle formed whose
vertices are (-3, 5), (0, 4) and (3, 3).
a)
0
b)
1
c)
2
d)
4
24. Find
the value of k foe which the points (-2, 4), (-1,-2) and (0, k) Line segment.
a)
0
b)
1
c)
2
d)
4
25. Find
the area of the triangle formed by joining the mid-points of the sides of the
triangle
hose vertices are (2, 4), (6, -6) and (-2, -4).
a) √3
b) 2√3
c) √2
d) 2√2
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Maths Class X Chap-1 , Chap-2 ,Chap-3 ,Chap-4 , Chap-5 ,Chap-6 ,Chap-7 ,Chap-8 ,Chap-9 ,Chap-10 ,Chap-11 ,Chap-12 ,Chap-13 ,Chap-14, Chap-15
Maths Class X Chap-1 , Chap-2 ,Chap-3 ,Chap-4 , Chap-5 ,Chap-6 ,Chap-7 ,Chap-8 ,Chap-9 ,Chap-10 ,Chap-11 ,Chap-12 ,Chap-13 ,Chap-14, Chap-15
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