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20 questions · timed · auto-graded

Question 11 Mark
A point P is reflected in the x-axis. Co-ordinates of its image are (8,-6). Find the co-ordinates of P. Find the co-ordinates of the image of P under reflection in the y-axis.
Answer
P' = (8,-6).
Therefore, the co-ordinates of P under reflection in the x-axis = (8, 6)
and the co-ordinates of P" under reflection in the y-axis = (-8, 6).
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Question 21 Mark
S' is the image of S under reflection in the origin. If the co-ordinates of S are (2,-5), write the co-ordinates of S'.
Answer
S= (2,-5). Therefore, the co-ordinates of S' under reflection in the origin = (-2, 5)
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Question 31 Mark
P' is the image of P under reflection in the x-axis. If the co-ordinates of P' are (2, 10), write the co-ordinates of P.
Answer
P' = (2, 10). Therefore, the co-ordinates of P under reflection in the x-axis = (2,-10)
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Question 41 Mark
State the co-ordinates of the images of the following point under reflection in the origin:
(9,-9)
Answer
The co-ordinate of the given point under reflection in the origin is: (-9, 9)
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Question 51 Mark
State the co-ordinates of the images of the following point under reflection in the origin:
(0, 2)
Answer
The co-ordinate of the given point under reflection in the origin is: (0,-2)
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Question 61 Mark
State the co-ordinates of the images of the following point under reflection in the origin:
(2, 7)
Answer
The co-ordinate of the given point under reflection in the origin is: (-2,-7)
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Question 71 Mark
State the co-ordinates of the images of the following point under reflection in the origin:
(-1,-4)
Answer
The co-ordinate of the given point under reflection in the origin is: (1, 4)
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Question 81 Mark
State the co-ordinates of the images of the following point under reflection in the y-axis:
(-4, 7)
Answer
The co-ordinate of the given point under reflection in the y-axis is: (4, 7).
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Question 91 Mark
State the co-ordinates of the images of the following point under reflection in the y-axis:
(-5,-6)
Answer
The co-ordinate of the given point under reflection in the y-axis is: (-5,-6).
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Question 101 Mark
State the co-ordinates of the images of the following point under reflection in the y-axis:
(-1,-3)
Answer
The co-ordinate of the given point under reflection in the y-axis is: (1,-3).
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Question 111 Mark
State the co-ordinates of the images of the following point under reflection in the y-axis:
(2, 8)
Answer
The co-ordinate of the given point under reflection in the y-axis is: (-2,8).
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Question 121 Mark
Find the co-ordinates of the image of S(4,-1) after reflection in the line
y = 5
Answer
Co-ordinates of image = (4, 2x5-(-1)) = (4, 11)
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Question 131 Mark
Find the co-ordinates of the image of S(4,-1) after reflection in the line
x = 0
Answer
Co-ordinates of image =(2x0-4,-1)= (-4,-1)
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Question 141 Mark
Find the co-ordinates of the image of A (-5, 4) after reflection in the line
y = 4
Answer
Co-ordinates of image = (-5, 2x4-4)= (-5,4)
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Question 151 Mark
Find the co-ordinates of the image of A (-5, 4) after reflection in the line
y = 0
Answer
Co-ordinates of image = (-5, 2x0-4)= (-5,-4)
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Question 161 Mark
State the co-ordinates of the images of the following point under reflection in the x-axis:
(-4,-8)
Answer
The co-ordinate of the given point under reflection in the x-axis is: (-4, 8).
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Question 171 Mark
State the co-ordinates of the images of the following point under reflection in the x-axis:
(0, 6)
Answer
The co-ordinate of the given point under reflection in the x-axis is: (0,-6).
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Question 181 Mark
State the co-ordinates of the images of the following point under reflection in the x-axis:
(-7, 5)
Answer
The co-ordinate of the given point under reflection in the x-axis is: (-7,-5).
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Question 191 Mark
State the co-ordinates of the images of the following point under reflection in the x-axis :
(3 , -9)
Answer
The co-ordinate of the given point under reflection in the x-axis is: (3,9).
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Question 201 Mark
A point P is mapped onto P' under the reflection in the x-axis. P' is mapped onto P" under the reflection in the origin. If the co-ordinates of
P" are (5,-2), write down the co-ordinates of P. State the single transformation that takes place.
Answer
P"= (5,-2), therefore, co-ordinates of P' = (-5, 2) and hence the coordinates of P = (-5,-2)
Single transformation = reflection in the y-axis
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[1 Mark Question Answer] - Mathematics STD 10 Questions - Vidyadip