Proportions, Dilations, and Scale Factor

Front

Back

6

Front

Back

22.5

Front

Solve for x

Back

x = 26

Front

Solve the proportion: k=?

Back

k=5

Front

If the scale factor is less than one, the new figure will be

Back

a reduction

Front

If the scale factor is greater than one, the new figure will be

Back

an enlargement

Front

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. 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)

Front

Does the image show a dilation?

Back

No

Front

Coordinate of the image of point B (-10,-6) under dilation with center at origin, scale factor k = 1/2.

Back

(-5,-3)

Front

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

Back

(8,18)