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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
7.3 Reflections

Reflection of (x, y) in x-axis is (x, -y)

Reflection of (x, y) in the y-axis is (-x, y)


Reflection uses a line of reflection to create a mirror image of the original figure.

Coordinate rules for Reflections:
  • If (a,b) is reflected in the x-axis, its image is the point (a, -b)
  • If (a,b) is reflected in the y-axis, its image is the point (-a, b)
  • If (a,b) is reflected in the line y = x, its image is the point (b, a)
  • If (a,b) is reflected in the line y = -x, its image is the point (-b, -a)

Directions: Solve the following problems. Use a graph paper to graph the reflection of the following polygon:


Also write at least 5 examples of your own.

Q 1: The image of (1,2) in the Y-axis is ______.
(-1,-2)
(1,-2)
(-1,2)

Q 2: The image of (-4,-3) in the X-axis is ______.
(-4,3)
(4,-3)
(4,3)

Q 3: The image of (3,-2) in the X-axis is ______.
(3,2)
(-3,-2)
(-3,2)

Q 4: The image of (-1, 2) in the line y=-x is ______.
(-2,1)
(1,2)
(-1,2)

Q 5: The image of (-4,6) in the Y-axis is ______.
(4,6)
(-4,-6)
(4,-6)

Q 6: The image of (1,2) in the X-axis is ______.
(1,-2)
(-1,-2)
(-1,2)

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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