Which of the following scale factors would produce a contraction under a dilation of the original image? (Points : 1)

4.5

3.5

2

0.5

2. Which of the following scale factors would produce an expansion under a dilation of the original image? (Points : 1)

2/3

1/2

3/2

3/4

3. Where might the center of dilation for a given figure lie? (Points : 1)

on the figure

outside the figure

inside the figure

all of the above

4. A dilation has a scale factor of 1/4. What term best describes this type of dilation? (Points : 1)

contradiction

contraction

expansion

expulsion

5. What must be true about the image of ΔJKL under a dilation with a scale factor of 2/3 and center of dilation at point C?

(Points : 1)

The image is smaller than ΔJKL and on the same side of point C as ΔJKL.

The image is larger than ΔJKL and on the same side of point C as ΔJKL.

The image is smaller than ΔJKL and on the opposite side of point C from ΔJKL.

The image is larger than ΔJKL and on the opposite side of point C from ΔJKL.

4.5

3.5

2

0.5

2. Which of the following scale factors would produce an expansion under a dilation of the original image? (Points : 1)

2/3

1/2

3/2

3/4

3. Where might the center of dilation for a given figure lie? (Points : 1)

on the figure

outside the figure

inside the figure

all of the above

4. A dilation has a scale factor of 1/4. What term best describes this type of dilation? (Points : 1)

contradiction

contraction

expansion

expulsion

5. What must be true about the image of ΔJKL under a dilation with a scale factor of 2/3 and center of dilation at point C?

(Points : 1)

The image is smaller than ΔJKL and on the same side of point C as ΔJKL.

The image is larger than ΔJKL and on the same side of point C as ΔJKL.

The image is smaller than ΔJKL and on the opposite side of point C from ΔJKL.

The image is larger than ΔJKL and on the opposite side of point C from ΔJKL.

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