Transformations Review: Key Concepts and Techniques

What type of transformations preserve distance and angle measure?

• Shearing

• Rigid motions

• Dilation

• Scaling

Which of the following is NOT a rigid motion?

• Rotation

• Dilation

• Reflection

• Translation

What is the result of rotating the point (2, 5) by 90 degrees counterclockwise?

• (-2, -5)

• (-5, 2)

• (5, -2)

• (-5, -2)

How do you find the new coordinates after a 180-degree rotation?

• Add 180 to each coordinate

• Flip the coordinates

• Subtract 180 from each coordinate

• Negate both coordinates

What is the perpendicular slope if the original slope is 2?

• -1/2

• 1/2

• 2

• -2

What is the smallest angle needed to map a figure onto itself called?

• Magnitude

• Symmetry

• Order

• Rotation

What happens to the coordinates when reflecting over the y-axis?

• Flip the coordinates

• Negate the y-coordinate

• Negate the x-coordinate

• Negate both coordinates

What is the result of dilating the point (2, -5) by a scale factor of 2?

• (2, -10)

• (1, -2.5)

• (4, -5)

• (4, -10)

In composition notation, how is the sequence of transformations written?

• Left to right

• Right to left

• Top to bottom

• Bottom to top

What is the final coordinate after translating (2, -5) by (-3, 2) and then reflecting over y = x?

• (-1, -3)

• (-5, 2)

• (3, 1)

• (1, -3)