Dilation Practice

Front

What is Dilation?

Back

Dilation means to enlarge or reduce.

Front

What is the scale factor when a shape is reduced to half its size?

Back

1/2

Front

What is the scale factor when a shape is enlarged to twice its size?

Back

2

Front

What is the scale factor in dilation?

Back

The ratio of a length of the image to the corresponding length on the original figure.

Front

If a triangle is dilated by a scale factor of 1/4, what happens to its size?

Back

The triangle is reduced to one-fourth of its original size.

Front

If Point A (2, 2) is dilated by a scale factor of 1/2, what are the new coordinates?

Back

(1, 1)

Front

What is the center of dilation?

Back

The fixed point in the plane about which all points are expanded or contracted.

Front

If a shape is dilated by a scale factor greater than 1, what happens to the shape?

Back

The shape is enlarged.

Front

If a shape is dilated by a scale factor less than 1, what happens to the shape?

Back

The shape is reduced.

Front

What is the new image of a triangle after dilation by a scale factor of 1/4?

Back

The new image is a smaller triangle, specifically one-fourth the size of the original.