Transformations Dilations

In this example of a reduction, the blue figure is the image which means the scale factor has to be __________________.

• more than 1

• equal to 1

• less than 1

• nothing

Tags

CCSS.8.G.A.3

When trying to find the side lengths of the image or the coordinates of the image in a dilation, what operation do you perform using the scale factor? For example: A (2,1) and the scale factor is 3, A' will be (6,3).

• add

• subtract

• multiply

• divide

Tags

CCSS.8.G.A.3

A _______ is a transformation that enlarges or reduces a figure by a scale factor relative to a center point.

• Rotation

• Translation

• Dilation

• Reflection

Tags

CCSS.8.G.A.3

An office supply store sells index cards in two different sizes. The large size is an enlargement of the small size. Both sizes are shown. Find the scale factor of the enlargement.

• 2

• 3

• 4

• 5

Tags

CCSS.7.G.A.1

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees cw around the origin

• Rotate 90 degrees cw around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees ccw about the origin.

Tags

CCSS.8.G.A.3

Which of the following shows a dilation?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

Translate the point A (-3, 4) right 5 and up 1

• (-2, 9)

• (-8, 5)

• (8, 3)

• (2, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Choose the correct transformations

• rotate 90 degrees counter-clockwise around the origin, and then reflect over the x-axis

• right 1, down 4, and then reflection over the y-axis

• right 6, and then reflection over the x-axis

• reflection over the line y=x, and then translate up 4, right 2

Tags

CCSS.8.G.A.3

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• (x + 5, y - 5) 5 units down and 5 units to the right

• (x + 1, y - 5) 5 units down and 1 to the right

• (x + 5, y - 8) 8 units down and 5 units to the right

• (x + 4, y - 5) 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

How do we define movement in Math?

• By describing Translations

• By describing Rotations

• By describing Reflections

• By describing Transformations

• By describing Dilations

Tags

CCSS.HSG.CO.A.2