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Laabri

M2A 1.05 Dilations - CC Participation 1/20/26

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Last updated 6 months ago
11 Nsɛmmisa

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Which of the following is NOT equivalent to 36/48?

Asemmisa {{asɛmmisaAhyɛnsode}}
2.

For each of the following determine if the scale factor would cause a dilation that is a contraction or an expansion.

  • -7

  • 3

  • 1.5

  • -7/4

  • 3/4

  • -121/99

  • -5/8

  • -40/41

  • 1/5

  • contraction

  • expansion

Asemmisa {{asɛmmisaAhyɛnsode}}
3.

Determine the scale factor used in the dilation graphed below:

Remember:

Asemmisa {{asɛmmisaAhyɛnsode}}
4.

Determine the scale factor used in each dilation below.

scale factor:

scale factor:

Mmuae Afoforo a Wobɛpaw:
-5
1/2
-1/2
2
-2
5
-1/5
1/5
Asemmisa {{asɛmmisaAhyɛnsode}}
5.

Determine the scale factor used in each dilation below.

scale factor:

scale factor:

Mmuae Afoforo a Wobɛpaw:
1/3
-2
2
-3
1/2
-1/3
-1/2
3
Asemmisa {{asɛmmisaAhyɛnsode}}
6.

Triangle XYZ is graphed on the grid. Draw Triangle X’Y’Z’ after a dilation using a scale factor of 2 in the show your work section. Then fill in the pre-image and image points below to check your answers.

Y(, ) → Y'(, )

Z(, ) → Z'(, )

X(, ) → X'(, )

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

Dilate the triangle graphed below by a factor of 2.5. Draw the resulting image in the show your work section. Then check your answer by filling in the image points below.

(0, 2) → (, )

(2, 0) → (, )

(-2, -2) → (, )

Asemmisa {{asɛmmisaAhyɛnsode}}
8.

Dilate the triangle graphed below by a factor of 0.5. Draw the resulting image in the show your work section. Then check your answer by filling in the image points below.

(-4, -4) → (, )

(0, -4) → (, )

(-2, -6) → (, )

Asemmisa {{asɛmmisaAhyɛnsode}}
9.

Dilate the triangle graphed below by a factor of -2. Draw the resulting image in the show your work section. Then check your answer by filling in the image points below.

(-2, 3) → (, )

(2, 3) → (, )

(2, 0) → (, )

(0, 1) → (, )

Asemmisa {{asɛmmisaAhyɛnsode}}
10.

Determine the scale factor used in each dilation below:

scale factor:

scale factor:

Asemmisa {{asɛmmisaAhyɛnsode}}
11.

Rate your understanding of today's topic. If you have additional comments you would like to share, use the show your work section to let me know!

Still need more practice? You can go to these links for additional practice:

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/e/performing-dilations

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/e/defining-dilations-2

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/e/dilations

You may also find these video links helpful:

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/v/dilating-points-example

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/v/dilation-scale-factor

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/v/thinking-about-dilations

https://www.khanacademy.org/math/geometry/hs-geo-transformations/hs-geo-dilations/v/dilating-shapes-shrinking