Dilations

Front

What do similar figures have in common?

Back

Similar figures have the same shape but different sizes.

Front

What is the image of the point B (-10,-6) under a dilation with center at the origin and scale factor k = 1/2?

Back

The image of the point B (-10,-6) is (-5,-3).

Front

What is the scale factor if the original figure is dilated to a larger size?

Back

The scale factor is greater than 1.

Front

What is the scale factor in a dilation?

Back

The scale factor is the ratio of a length of the new figure to the corresponding length on the original figure.

Front

What are the coordinates of the image of point A(3,3) under a dilation with a scale factor of 3?

Back

The coordinates of the image A' are (9,9).

Front

If a figure is dilated by a scale factor of 2, what happens to its size?

Back

The figure's size doubles.

Front

What is the effect of a scale factor less than 1 on a figure?

Back

A scale factor less than 1 reduces the size of the figure.

Front

How do you find the coordinates of a dilated point?

Back

Multiply the original coordinates by the scale factor.

Front

What is the center of dilation in the context of the origin?

Back

The center of dilation is the fixed point from which the figure is enlarged or reduced.

Front

What happens to the angles of similar figures during dilation?

Back

The angles of similar figures remain the same during dilation.