Dilations

Front

What is a dilation with a scale factor k > 1 called?

Back

Enlargement

Tags

CCSS.8.G.A.3

Front

What is the result of dilating Point B (3, -8) by a scale factor of 1/2 with the origin as the center of dilation?

Back

(-1.5, 1)

Tags

CCSS.8.G.A.3

Front

What type of dilation is represented by a scale factor k = 5/4?

Back

Enlargement

Tags

CCSS.8.G.A.3

Front

If the origin is the center of dilation and the scale factor is 1/2, is it an enlargement or a reduction?

Back

It's a reduction; the scale factor is 1/2.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if the origin is the center of dilation and the result is twice the original size?

Back

2

Tags

CCSS.8.G.A.3

Front

What is the definition of dilation in geometry?

Back

A transformation that alters the size of a figure but not its shape.

Tags

CCSS.8.G.A.3

Front

What happens to the coordinates of a point (x, y) when it is dilated by a scale factor k?

Back

The new coordinates are (kx, ky).

Tags

CCSS.8.G.A.3

Front

If a dilation has a scale factor of 1, what is the effect on the figure?

Back

The figure remains unchanged.

Tags

CCSS.8.G.A.3

Front

What is the scale factor for a reduction?

Back

A scale factor less than 1.

Tags

CCSS.8.G.A.3

Front

What is the scale factor for an enlargement?

Back

A scale factor greater than 1.

Tags

CCSS.8.G.A.3