Which kind of transformation moves and (x,y) to (5x, 5y)

dilations

reflections

rotation

translation

2

1 pt

Tell whether the transformation is a dilation.

A (0, 4) B (5,5) C (3,3)

A’ (0, 8) B’ (10, 10) C’ (6, 6)

Yes; The figure dilated by a scale factor of 0.5.

No; The figure is congruent.

Yes; The figure dilated by a scale factor of 2.

No; The figure is similar.

3

1 pt

Dilate the figure by a scale factor of 2 with the origin as the center of dilation. What are the coordinates of the image?

A (2,4) B (5,6) C (6,1)

A' (1,2), B' (2.5,3), C' (3,0.5)

A' (4,8), B' (10,12), C' (12, 2)

A' (2,2), B' (5,3), C' (3,0.5)

A' (4,4), B' (10,6), C' (12,1)

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