Dilations and Scale Factor

Front

What happens to a figure when the scale factor is greater than 1?

Back

The figure undergoes an enlargement.

Tags

CCSS.8.G.A.3

Front

What mathematical operation is used with the scale factor in a dilation?

Back

Multiplication.

Tags

CCSS.8.G.A.3

Front

If AB = 3 and the scale factor is 4, what is the length of A'B'?

Back

12.

Tags

CCSS.7.G.A.1

Front

What is the scale factor from ΔDEF to ΔABC if the lengths are doubled?

Back

2.

Tags

CCSS.7.G.A.1

Front

If the scale factor is greater than one, what type of transformation occurs?

Back

An enlargement.

Tags

CCSS.8.G.A.3

Front

What is a scale factor?

Back

A number that scales, or multiplies, a quantity.

Tags

CCSS.7.G.A.1

Front

If the scale factor is less than 1, what happens to the figure?

Back

The figure undergoes a reduction.

Tags

CCSS.8.G.A.3

Front

How do you calculate the new length of a side after dilation?

Back

Multiply the original length by the scale factor.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if a triangle's sides are tripled?

Back

3.

Tags

CCSS.7.G.A.1

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