Dilations Quiz

Which of the following statements is true about dilations?

• Dilations do not affect the size or shape of a figure.

• Dilations only change the size of a figure if it is a regular polygon.

• Dilations change the shape of a figure without changing its size.

• Dilations change the size of a figure without changing its shape.

What is the scale factor of a dilation that enlarges a figure by 2?

• 0.5

• 3

• 2

• 1

If the scale factor of a dilation is greater than 1, the image will be:

• Enlarged or magnified

• Reduced or shrunk

• Reflected

• Rotated

A dilation uses the scale factor or a _____ in order to make a figure larger or smaller.

What is the algebraic rule to represent a dilation using a scale factor of .75

If two figures are similar, they should meet which criteria?

• Proportional sides

• Congruent Figures

• Same size

• All of the above

Given the point C(-3,4), what would C' be after a dilation with a scale factor of 3

Given figure DEF with coordinates D(-2,3), E(1,4), F(-3,5). What would the new coordinates be after a translation of 3 units left and 2 units up, a reflection over the y-axis, a rotation of 90 degrees clockwise, and a dilation with a scale factor of 2?