9.6 Dilations

Presentation

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Mathematics

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9th - 12th Grade

•

Medium

•

CCSS

8.G.A.3, 8.G.A.4, HSG.SRT.A.2

Standards-aligned

Brittany Stout

Used 12+ times

FREE Resource

16 Slides • 9 Questions

9.6 Dilations

Multiple Choice

Multiple Choice

PUPPETS Suppose you have a similar situation with the puppet and light source. The distance between the light source L and the puppet is 30 inches (LP). To what distance should you place the puppet from the screen to create a 54-inch tall shadow (I'M') from a 6-inch puppet?

100 inches

180 inches

220 inches

240 inches

Multiple Choice

Check your understanding...

Multiple Choice

Triangle ABC will be dilated by a scale factor of 1/2. What will be the coordinates of C'?

(-1, -2.5)

(12, 6)

(3, -1.5)

(0, 1.5)

Multiple Choice

Enlargement or reduction? Find the scale factor!

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

It's an enlargement; the scale factor is 2.

It's an enlargement; the scale factor is 1/2.

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

Multiple Choice

$\Delta LMN$ with vertices L(2, -8), M (12, 8), and N (14, -4). What are the vertices of $D_{\frac{1}{2}}\left(\Delta LMN\right)$ ?

L' (1, 4) M' (6, 4) N' (7, -2)

L' (4, -16) M' (24, 16) N' (28, -8)

L' (1, -4) M' (6, 4) N' (7, -2)

L' (-1, -4) M' (-6, -4) N' (-7, -2)

Multiple Choice

Triangle ABC with vertices A(3,3) B(6,6) C(9,3). What are the vertices of $D_3\left(\Delta ABC\right)$ ?

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)

Multiple Choice

Did the image enlarge, reduce or none of the above?

Enlarge

Reduce

None of the above

Multiple Choice

A dilation is which of the following:

only an enlargement

only a reduction

either an enlargement or a reduction

neither an enlargement nor a reduction

9.6 Dilations

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