Dilations Flashcard

Front

If the scale factor of a dilation is greater than 1, the image will be:

Back

Enlarged or magnified

Tags

CCSS.8.G.A.3

Front

A dilation uses the scale factor or a _____ in order to make a figure larger or smaller.

Back

ratio

Tags

CCSS.8.G.A.3

Front

What is the scale factor of a dilation that enlarges a figure by 2?

Back

2

Tags

CCSS.8.G.A.3

Front

Given figure DEF with coordinates D(-2,3), E(1,4), F(-3,5). What would the new coordinates be after a translation of 3 units left and 2 units up, a reflection over the y-axis, a rotation of 90 degrees clockwise, and a dilation with a scale factor of 2?

Back

D''''(10, -10), E''''(12, -4), F''''(14, -12)

Tags

CCSS.8.G.A.3

Front

What is the algebraic rule to represent a dilation using a scale factor of .75?

Back

Tags

CCSS.8.G.A.3

Front

What happens to a figure when the scale factor of a dilation is less than 1?

Back

The figure is reduced or shrunk.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor of 1 in a dilation?

Back

The figure remains unchanged.

Tags

CCSS.8.G.A.3

Front

How do you determine the new coordinates of a point after a dilation?

Back

Multiply the original coordinates by the scale factor.

Tags

CCSS.8.G.A.3

Front

What is the scale factor if a figure is reduced to half its size?

Back

0.5

Tags

CCSS.7.G.A.1

Front

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

Back

They are similar figures.

Tags

CCSS.8.G.A.3