Scale Factor and Dilations

Front

If the Scale Factor is ½, the copy will be a(n) __________________ .

Back

Reduction

Tags

CCSS.8.G.A.3

Front

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

Back

¼

Tags

CCSS.8.G.A.3

Front

What does Congruent mean?

Back

Same size same shape

Tags

CCSS.8.G.A.2

Front

What is Dilation?

Back

Dilation means to enlarge or reduce.

Tags

CCSS.8.G.A.3

Front

A dilation is given by the transformation (x, y) → (.75x, .75y). What type of dilation is this?

Back

Reduction

Tags

CCSS.8.G.A.3

Front

What is the Scale Factor?

Back

The ratio of the size of the image to the size of the original figure.

Tags

CCSS.7.G.A.1

Front

If a shape is enlarged by a scale factor of 2, what happens to its dimensions?

Back

Each dimension is multiplied by 2.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor greater than 1?

Back

It results in an enlargement of the shape.

Tags

CCSS.8.G.A.3

Front

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

Back

It results in a reduction of the shape.

Tags

CCSS.8.G.A.3

Front

How do you find the scale factor between two similar figures?

Back

Divide the length of a side of the image by the length of the corresponding side of the original figure.

Tags

CCSS.7.G.A.1