Scale factor and dilations

Front

What is the definition of dilations in mathematical terms?

Back

To make larger or smaller.

Tags

CCSS.8.G.A.3

Front

If the scale factor is greater than one, the new figure will be:

Back

An enlargement.

Tags

CCSS.8.G.A.3

Front

Which of the following algebraic representations represents a dilation that is an enlargement?

Back

(x, y) goes to (kx, ky) where k > 1.

Tags

CCSS.8.G.A.3

Front

How do you write the algebraic notation when the scale factor is 3?

Back

(x, y) goes to (3x, 3y).

Tags

CCSS.7.G.A.1

Front

A dilation produces a similar figure: True or False?

Back

True.

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 one, the new figure will be:

Back

A reduction.

Tags

CCSS.8.G.A.3

Front

What happens to the dimensions of a figure when a dilation is applied?

Back

The dimensions are multiplied by the scale factor.

Tags

CCSS.8.G.A.3

Front

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

Back

The figure remains unchanged.

Tags

CCSS.8.G.A.3

Front

How do you determine if two figures are similar?

Back

If one can be obtained from the other by a dilation.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6