Dilations and Scale Factor Quiz

What is the scale factor from rectangle ABCD to rectangle LMNP?

• 3:1 or 3

• 2:1 or 2

What is the scale factor from triangle XYZ to triangle PQR?

• 2:1 or 2

• 3:1 or 3

What is the scale factor from pentagon ABCDE to pentagon VWXYZ?

What is the scale factor from quadrilateral KLMN to quadrilateral SPQR?

Why does the order of the figures in the similarity statement matter when identifying scale factor?

• It determines how to set up the fraction.

• It affects the congruence of the figures.

• It ensures corresponding parts are matched.

• It changes the area of the figures.

• J'(–4, 0)

• J'(–16, 0)

• J'(–8, 0)

• J'(–2, 0)

What is the result of dilating the point V(–8, –8) by a scale factor of 5/4?

• V'(–10, –10)

• V'(–6, –6)

• V'(–8, –8)

• V'(–12, –12)

• (3, 3)

• (6, 6)

• (1, 1)

• (9, 9)

• (3, 3)

• (6, 6)

• (1, 1)

• (4, 4)

What is the scale factor used to dilate the points E(2, 4), F(4, 2), and G(2, 2)?

• 1.5

• 2.5

• 3.0

• 4.0