Image of a Point with Respect to Y = a
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The image of a point P on reflection in a Line listen p'. Describe the location of the line l and explain the answer.
What is the reflection of the point A(−2, 3) in the line y=2?
(-2, -1)
(-2, 1)
(3, 1)
(-2, -3)
The points P (4, 1) and Q (-2, 4) are reflected in line y = 3. Find the co-ordinates of P', the imae of P and Q', the image of Q.
State the co-ordinates of the following points under reflection in x-axis :
(i) (3, 2) (ii) (-5, 4) (ii) (0, 0)
A line segment has endpoints at and .
Which reflection will produce an image with endpoints at and ?
a reflection of the line segment across the x-axis
a reflection of the line segment across the y-axis
a reflection of the line segment across the line
a reflection of the line segment across the line
P(3, 3), Q(7, 6) and R(3, 6) are the coordinates of a triangle. A, B and C are the reflection points of P, Q and R respectively about Y = 0. The area of the triangle formed by the points B, C and D(3, -9) is
(i) A′, B′ and C′
(ii) A′′, B′′ and C′′.
(2 Marks)
- 5
- 6
- 9
- 12
The point (4, 1) and (- 2, 4) are reflected in the line y = 3. Find the coordinates of their images.
(−4, −1), (2, −4)
(−4, 1), (−2, 2)
(4, 5), (−2, −2)
(4, 5), (−2, 2)
Point Transformation Image
(4, 2) Reflection in x-axis ........
Reflection of the point (4, 6) in the line Y+2 = 0 is
(4, -4)
(4, -8)
(4, -6)
(4, -10)
- (4, 5);(−2, 2)
- (4, −1);(−2, 2)
- (4, −1);(2, −4)
- (4, −1);(2, −2)
- (3, - 4)
- (- 3, - 4)
- (`3, 4)
- (3, 4)
- True
- False
Point Transformation Image
(4, −8) ...............(−4, −8)
The reflection of point A(-6, 10) about Y = 2 is (c, d). The value of c+d is
(6, -10)
(-6, -10)
(6, 6)
(-6, -6)
A point P (3, 5) is reflected in line y + 4 = 0 to form the image P'. Find the coordinates of P'.
(3, -12)
(3, -13)
(3, -11)
(3, -10)
The reflection of the point (9, 6) on the line Y= 5 is
(4, 9)
(9, 4)
(2, 6)
(3, 6)
The reflection of the point (3, 5) in the line Y = 3 is ___
(3, 1)
(-3, 1)
(1, 3)
(1, -3)
What is the reflection of the point A(−2, 3) in the line y=2?
(-2, -1)
(-2, 1)
(3, 1)
(-2, -3)