Transformations Test Study

Front

What changes when an ordered pair is reflected across the y-axis?

Back

The x-value changes sign, while the y-value remains the same.

Front

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor r = 2.

Back

(8,18)

Front

What is the original figure prior to a transformation called?

Back

Pre-image

Front

Which of the following is NOT preserved with a reflection?

Back

Orientation is not preserved.

Front

Translate the blue shape to the green shape: 3 Left, 3 Down. What is the translation vector?

Back

(-3, -3)

Front

What is a transformation in geometry?

Back

A transformation is an operation that moves or changes a shape in some way to produce a new shape.

Front

What is the effect of a dilation on a shape?

Back

A dilation changes the size of a shape but not its shape.

Front

What is the center of dilation?

Back

The point from which the shape is enlarged or reduced.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Front

What does it mean to translate a shape?

Back

To translate a shape means to slide it in a straight line from one position to another without changing its size or orientation.