Dilations Quick Check

In a magical transformation, Harry Potter enlarges a magical artifact by a scale factor of 3 with Hogwarts as the center of the transformation. What are the coordinates of the enlarged artifact?
A(3,3) B(6,6) C(9,3)

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.7.G.A.1

Choose the correct scale factor for enlarging a potion bottle in Harry Potter:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.7.G.A.1

In a magical transformation, Harry Potter changed a creature from size (8, 12) to size (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

Tags

CCSS.7.G.A.1

Shrink Harry's broomstick to half its original size

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

In the world of Harry Potter, casting Engorgio or Reducio on an object results in which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

Tags

CCSS.7.G.A.1

A dilation spell in Harry Potter produces a similar figure

• True

• False

Tags

CCSS.8.G.A.3

A dilation charm in Harry Potter produces a congruent figure of the enchanted object

• True

• False

Tags

CCSS.8.G.A.3

When a spell enlarges an object to a size greater than its original, the spell is considered an enlargement.

• True

• False

Tags

CCSS.8.G.A.3

When the scale factor of a shrinking charm in the wizarding world is less than one, the charm's effect is a reduction.

• True

• False

Tags

CCSS.8.G.A.3

In a magical transformation, if Harry Potter increases the size of an object by a scale factor of 3, how is this change represented in algebraic notation?

• (x, y) goes to (1/3x, 1/3y)

• (x, y) goes to (-3x, -3y)

• (x, y) goes to (x + 3, y + 3)

• (x, y) goes to (3x, 3y)

Tags

CCSS.HSG.CO.A.2