Transformations
Math ⇒ Geometry
Transformations starts at 8 and continues till grade 12.
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See sample questions for grade 8
A figure is rotated 90° counterclockwise about the origin. What happens to the coordinates (x, y)?
Describe the difference between a rigid and a non-rigid transformation.
Describe what happens to a figure under a translation.
If a figure is reflected over the line y = x, what happens to the coordinates (a, b)?
A point (4, 5) is reflected over the x-axis. What are the coordinates of the image?
A point (6, -2) is rotated 180° about the origin. What are the coordinates of the image?
A point (7, -2) is translated by (-3, 5). What are the coordinates of the image?
A rectangle is reflected over the x-axis. If one vertex is at (3, 2), what are the coordinates of its image?
Which of the following is a rigid transformation?
(1) Dilation
(2) Translation
(3) Enlargement
(4) Reduction
Which of the following is NOT a rigid transformation?
(1) Reflection
(2) Rotation
(3) Dilation
(4) Translation
Which of the following is NOT a type of transformation in geometry?
(1) Translation
(2) Rotation
(3) Reflection
(4) Division
Which of the following transformations changes the size of a figure?
(1) Translation
(2) Rotation
(3) Dilation
(4) Reflection
A dilation with a scale factor greater than 1 will ________ the figure.
A dilation with a scale factor of 0.5 will ________ the figure.
A dilation with a scale factor of 1 produces a figure that is ________ to the original.
A translation moves a shape without changing its ________ or ________.
True or False: A dilation with a scale factor of 1/2 will make the image half the size of the original.
True or False: A reflection always produces a congruent figure.
True or False: A reflection over the y-axis changes the y-coordinates of points.
True or False: A rotation of 180° about the origin changes the sign of both coordinates.
