1.What is the scale factor for a dilation of a segment if the image is one-third the length of the original segment and lies on the same side of the center of dilation as the original segment?
A.
1/3
B.
-1/3
C.
3
D.
-3
2.Which of the following scale factors would produce an expansion under a dilation of the original image?
A.
2/3
B.
-1/2
C.
3/2
D.
-3/4
3.Where might the center of dilation for a given figure lie?
A.
on the figure
B.
outside the figure
C.
inside the figure
D.
all of the above
4.A dilation has a scale factor of 1/4. Which of the following describes this type of dilation?
A.
contraption
B.
contraction
C.
expansion
D.
expulsion
5.What is the scale factor of a dilation if the image lies on the side that does not contain the original figure, the length of a segment in the original figure is 3, and the length of its corresponding segment in the image is 6?
A.3
B.-3
C.2
D.-2
2007-03-14 20:04:31 · 2 answers · asked by live~laugh~love 1 in Science & Mathematics ➔ Mathematics
On the second question, it would be C. Because an improper fraction makes the number bigger. And on #4, the answer would be B. Because contract means to get smaller (contraction).
2007-03-15 14:00:00 · answer #1 · answered by the balla 1 · 0⤊ 0⤋
CBDAD
2007-03-14 20:10:10 · answer #2 · answered by blighmaster 3 · 0⤊ 0⤋