Dilations & Scale Factor

Dilations & Scale Factor

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Dilate the figure by a scale factor of 3. What are the coordinates of the image? A(3,3) B(6,6) C(9,3)

Back

A'(9,9) B'(18,18) C'(27,9)

2.

FLASHCARD QUESTION

Front

Triangle ABC will be dilated by a scale factor of 1/2. What will be the coordinates of C'? Options: (-1, -2.5), (12, 6), (3, -1.5), (0, 1.5)

Back

(3, -1.5)

3.

FLASHCARD QUESTION

Front

Enlargement or reduction? Find the scale factor!

Back

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

4.

FLASHCARD QUESTION

Front

Enlargement or reduction? Find the scale factor! Options: It's an enlargement; the scale factor is 1/2., It's an enlargement; the scale factor is 2., It's a reduction; the scale factor is 1/2., It's a reduction; the scale factor is 2.

Back

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

5.

FLASHCARD QUESTION

Front

Which algebraic representation shows the dilation of trapezoid ABCD to trapezoid A’B’C’D’? Options: (x, y) --> (2x, 2y), (x, y) --> (0.5x, 0.5y), (2x, 2y) --> (x, y), (x, y) --> (3x, 2y)

Back

(x, y) --> (2x, 2y)

6.

FLASHCARD QUESTION

Front

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

Back

¼

7.

FLASHCARD QUESTION

Front

Coordinate of the image of point B (4,9) under dilation with center at origin and scale factor of 2.

Back

B' (8 ,18)

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