Rigid Transformations

Front

What is the algebraic notation of a figure that is Translated 9 units right and 3 units down?

Back

(x, y) --> (x + 9, y - 3)

Front

What sequence of transformations will map trapezoid A to its image A'?

Back

Reflection across vertical line, then translation downwards

Front

A slide is also called a _________.

Back

Translation

Front

Congruent means...

Back

The same size and same shape.

Front

Find K' if the figure is reflected across the x-axis: K(1, -4)

Back

K'(1, 4)

Front

What is a rigid transformation?

Back

A transformation that preserves distance and angle measures.

Front

What is the result of reflecting a point (x, y) across the y-axis?

Back

(-x, y)

Front

What is the result of rotating a point (x, y) 90 degrees counterclockwise around the origin?

Back

(-y, x)

Front

What is the result of reflecting a point (x, y) across the x-axis?

Back

(x, -y)

Front

What does it mean for two figures to be congruent?

Back

They have the same shape and size.