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March 24, 2017

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1.
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point)

(–2, 4) and (6, 6)
(2, 4) and (6, 6)
(–2, 4) and (6, –6)
(2, –1) and (–3, 3)

2.
Given a scale factor of 1 over 2 , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0). (1 point)

(0, 0), (0, 4), (8, 0)
(0, 0), (0, 1), (2, 0)
(1 over 2,1 over 2), (1 over 2, 1), (2, 1 over 2)
(2, 2), (2, 4), (8, 2)

3.
Gina uses a magnifying glass to look at bugs. A caterpillar that is 2 inches long appears 4.5 inches long through the glass. What is the scale factor? (1 point)

2.25
0.4
9
2.5

  • Math - ,

    See Related Queston: Wed,10-24-12,3:01pm

  • Math - ,

    ok i have the same questions and where are the answers?!

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