Unit 2 Part 1 Practice Test

Dilations are when you...

• Increase or decrease the size of a geometric figure

• Move a geometric figure around graph

• Flip a geometric figure around a graph

• Make a backwards copy of a geometric figure

Tags

CCSS.8.G.A.3

What is scale factor?

• How a shape moves across a coordinate graph

• the change in size of the figure

Tags

CCSS.7.G.A.1

How do we mark a copy of a point or a figure?

• With a *

• With a /

• With a '

• With a -

Tags

CCSS.HSG.CO.A.1

Scale factor is determined by...

• Dividing two x coordinates

• Dividing two y-coordinates

Tags

CCSS.7.G.A.1

To decrease the size of a geometric figure, you need too..

• Divide

• Multiply

• Add

• Subtract

Tags

CCSS.8.G.A.3

If the scale factor is a whole number, that means you are______ the scale factor.

• Decreasing

• Increase

Tags

CCSS.7.G.A.1

If the scale factor is a fraction, that means you are ______ the scale factor

• Decreasing

• Increasing

Tags

CCSS.7.G.A.1

What would the scale factor be for the red triangle if you divide Point S' (-3,3) and Point S (-1,1)?

• 1/3

• 3

• 2

• 1/2

Tags

CCSS.HSG.CO.A.2

True or false: One way to determine if two shapes are a dilation of each other is if the rays match up with the vertices (coordinates)

• True
• False

Tags

CCSS.8.G.A.3

The center of dilation is how we determine...

• The fixed point of where to start the dilation

• Where to move a geometric figure across the graph

• How to make a backwards copy of a geometric figure

Tags

CCSS.8.G.A.3