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Copy of OPS Math 8 Topic 6B Summative Assessment (8/9/2024)

Last updated almost 2 years ago

9 Nsɛmmisa

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8.G.2.c

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8.G.2.b

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8.G.2.b

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8.G.2.c

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8.G.2.a

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8.G.2.a

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8.G.2.b

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8.G.2.b

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8.G.2.b

8.G.2.c

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

(Level 2) What is a sequence of transformations that map \vartrianglePQR to \vartriangleXYZ?

A translation followed by a dilation

A reflection followed by a dilation

A rotation followed by a dilation

A rotation followed by a reflection and a dilation

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2.

(Level 2) Select all the true statements about similar figures.

The image is the same shape as the preimage.

The image is the same size as the preimage.

The image has the same angle measures as the preimage.

The image is congruent to the preimage.

The image is a dilation of the preimage.

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3.

(Level 2) Is Figure 1 similar to Figure 2 ? Explain.

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4.

(Level 3) The two figures in the diagram are similar. Identify a sequence of transformations that maps Figure A to Figure B.

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5.

(Level 3) What are the coordinates of the image of \vartriangleABC after a dilation with center (0, 0) and a scale factor of 3?

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6.

(Level 3) \vartriangleRST has vertices R(0, 0), S(6, 3), T(3, -3). \vartriangleR'S'T' is the image of \vartriangleRST after a dilation with center (0, 0) and a scale factor \frac{1}{3} . What are the coordinates of point S' ?

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7.

(Level 3) Identify all the figures that are similar to Figure A?

B

C

D

E

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8.

(Level 3) Given that \vartriangleABC and \vartriangleDEF are similar triangles, find the missing side length, x.

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9.

(Level 4) Given \vartriangleIJK\sim\vartriangleXYZ, find two possible coordinates for missing point Y. For each coordinate chosen, describe a sequence of transformations that could map \vartriangleIJK to \vartriangleXYZ.