Reflection in Transformational Geometry Pre-Test

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Questions and Answers

In transformational geometry, what does a reflection do to a figure?

Rotates the figure around a point
Stretches the figure horizontally
Flips the figure over a line (correct)
Compresses the figure vertically

What is the result of reflecting a triangle over the x-axis?

The triangle becomes larger
The triangle remains unchanged
The triangle flips upside down (correct)
The triangle shifts to the right

If a figure is reflected over the y-axis, what happens to its x-coordinates?

They switch places with the y-coordinates
They double in value
They remain unchanged
They become negative (correct)

Match the following transformational geometry terms with their definitions:

Reflection = Flipping a figure over a line Translation = Sliding a figure without rotating or flipping Rotation = Turning a figure around a fixed point Dilation = Resizing a figure without changing its shape Signup and view all the answers

Match the following figures with their correct reflection over the x-axis:

Triangle ABC = Triangle A'B'C' Square PQRS = Square P'Q'R'S' Circle O = Circle O' Rectangle LMNO = Rectangle L'M'N'O' Signup and view all the answers

Match the following figures with their correct reflection over the y-axis:

Triangle XYZ = Triangle X'Y'Z' Parallelogram WXYZ = Parallelogram W'X'Y'Z' Hexagon UVWXYZ = Hexagon U'V'W'X'Y'Z' Trapezoid ABCD = Trapezoid A'B'C'D' Signup and view all the answers