Transformations Introduction

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 are the three main types of transformations?

Back

The three main types of transformations are translation (slide), rotation (turn), and reflection (flip).

Front

Define translation in geometry.

Back

Translation is a transformation that moves every point of a shape the same distance in the same direction.

Front

Define rotation in geometry.

Back

Rotation is a transformation that turns a shape around a fixed point, called the center of rotation.

Front

Define reflection in geometry.

Back

Reflection is a transformation that flips a shape over a line, creating a mirror image.

Front

What happens to a shape when it is dilated by a scale factor greater than 1?

Back

The shape gets bigger.

Front

What happens to a shape when it is dilated by a scale factor less than 1?

Back

The shape gets smaller.

Front

What is the scale factor in dilation?

Back

The scale factor is the ratio of the size of the image to the size of the original shape.

Front

How do you translate a point (x, y) by (x-2, y+5)?

Back

You subtract 2 from the x-coordinate and add 5 to the y-coordinate.

Front

What is the result of rotating a shape 360 degrees?

Back

The shape returns to its original position.