Intro to Scale Factor Dilations

Front

What happens to a figure when the scale factor is less than one?

Back

The figure undergoes a reduction.

Tags

CCSS.8.G.A.3

Front

What happens to a figure when the scale factor is greater than one?

Back

The figure undergoes an enlargement.

Tags

CCSS.8.G.A.3

Front

What is a smaller figure produced by a dilation called?

Back

A reduction.

Tags

CCSS.8.G.A.3

Front

If Triangle DOG has coordinates D (0,0), O (0,4), and G (1,5), where is O' after a dilation of scale factor 7?

Back

O' is at (0,28).

Tags

CCSS.8.G.A.3

Front

True or False: A dilation creates a similar figure.

Back

True.

Tags

CCSS.8.G.A.3

Front

What is the definition of scale factor?

Back

The scale factor is a number that scales, or multiplies, a quantity.

Tags

CCSS.7.G.A.1

Front

What is the center of dilation?

Back

The center of dilation is a fixed point in the plane about which all points are expanded or contracted.

Tags

CCSS.8.G.A.3

Front

If a figure is dilated by a scale factor of 1, what happens to the figure?

Back

The figure remains unchanged.

Tags

CCSS.8.G.A.3

Front

What is the relationship between the original figure and the dilated figure?

Back

The original figure and the dilated figure are similar.

Tags

CCSS.8.G.A.3

Front

How do you calculate the coordinates of a dilated point?

Back

Multiply each coordinate of the original point by the scale factor.

Tags

CCSS.8.G.A.3