Similar Figures pretest (100%)

Triangle STV was dilated with the origin as the center of dilation to form S'T'V'. What is the scale factor of the dilation?

A, 1/3

What is true about the image ΔK'L'M'? Select three options.

A, DO, 0.75 (x,y) = (0.75x, 0.75y) B, LM is parallel to L'M' C, The vertices of the image are closer to the origin than those of the pre-image.

What is true about the image ΔQ'R'S'? Select three options. What statements are true?

A, DO,2 (x,y) = (2x, 2y) B, Side Q'S' lies on a line with a slope of -1. E, The distance from Q' to the origin is twice the distance from Q to the origin.

Triangle DEF was dilated according to the rule DO,(x,y) to create similar triangle D'E'F'. Which statements are true, select 3 options.

A, ∠F corresponds to ∠F'. C, The distance from point D' to the origin is the distance of point D to the origin. E, △DEF △D'E'F'

What are the coordinates of the endpoints of segment M'N'?

B, M'(-6,9) and N'(3,9)

Which composition of similarity transformations maps polygon ABCD to polygon A'B'C'D'?

B, a dilation with a scale factor of and then a translation

What will be the coordinates of vertex N' of the image?

C, (-2, 6)

Is trapezoid ABDC the result of a dilation of trapezoid MNPQ by a scale factor of ? Why or why not?

C, No, because AB is the length MN but CD is the length QP.

Is quadrilateral JKLM the result of a dilation of quadrilateral ABCD by a scale factor of 2? Why or why not?

D, No, because sides JM and KL have different slopes from sides AD and BC.

Which graph shows a dilation?

The third graph