A line segment with endpoints Q negative three comma two and R negative one comma negative five is dilated with the origin as the center of dilation. The resulting endpoints are Q prime negative nine comma six and R prime negative three comma negative fifteen. What is the scale factor?

one-ninth

one-third

3

9

Question

A line segment with endpoints Q negative three comma two and R negative one comma negative five is dilated with the origin as the center of dilation. The resulting endpoints are Q prime negative nine comma six and R prime negative three comma negative fifteen. What is the scale factor?

one-ninth

one-third

3

9

mathstudent55 · Answer

It's much easier and faster to read a problem if you write points as Q(-3, 2) instead of  "Q negative three comma two." Also, use Q' instead of Q prime.

anonymous · Answer

@mathstudent55
Question:  In the image below, a line was drawn horizontally through the center of ABCD. If ABCD was dilated using a scale factor of 2 and a line was drawn horizontally through the center of the dilated figure, what would you notice about the two lines? Explain your answer using complete sentences.

Square ABCD is shown. A is at negative 1, 2; B is at negative 1, 4; C is at 1, 4 and D is at 1, 2.
can you help :)

mathstudent55 · Answer

@bayan
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