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17.1 Closure

Quiz by Kristina Haley

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Q 1/3
Score 0
Consider the rhombus shown on the grid. The rhombus is dilated by a scale factor of 3/2 with the center of dilation at the origin. Is this an enlargement or a reduction and what would be coordinates of D' ?
29
Enlargement; D' (2/3, 2/3)
Enlargement; D' (3/2, 3/2)
Reduction; D' (3/2, 3/2)
Reduction; D' (2/3, 2/3)

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3 questions

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Q1
Consider the rhombus shown on the grid. The rhombus is dilated by a scale factor of 3/2 with the center of dilation at the origin. Is this an enlargement or a reduction and what would be coordinates of D' ?
Enlargement; D' (2/3, 2/3)
Enlargement; D' (3/2, 3/2)
Reduction; D' (3/2, 3/2)
Reduction; D' (2/3, 2/3)
30s
Q2
Triangle R(0, 0), S(0, 4), T(3, 0) is mapped onto R'S'T' by a dilation. If R'S'/RS =5/2 and the coordinates of R' are (0, 0) after the dilation, what are the coordinates of S'?
(0, 20)
(0, 4)
(15, 0)
(0, 10)
30s
Q3
Consider the figure shown on the grid. What are the coordinates of the image of point A after a dilation centered about point D by a scale factor of 2?
(−1,7)
(−2,4)
(−1,4)
(−2,7)
30s

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