Unit 3 - Dilation/Similarity Practice Assessment

Quiz by Margaret McKinley

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Q 1/16
Score 0
Daniel dilated triangle ABC by a scale factor of 1/2 with a center of dilation of P to create triangle A'B'C'. Which of these images represents Daniel's dilation?
29

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16 questions

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Q1
Daniel dilated triangle ABC by a scale factor of 1/2 with a center of dilation of P to create triangle A'B'C'. Which of these images represents Daniel's dilation?
30s
Q2
Select the explanation which describes the transformation which maps triangle BCD onto triangle B'C'D' (For the test, be prepared to write your own description.
Dilation of triangle BCD by a scale factor of 1/3 from a center of dilation of point C
Dilation of triangle BCD by a scale factor of 3 from a center of dilation of (4,5)
Dilation of triangle BCD by a scale factor of 2 from a center of dilation of (4,5)
Dilation of triangle BCD by a scale factor of 3
30s
Q3
Triangle ABC is dilated from center P by a scale factor of 3. Determine the coordinates of A'. (You can use the DESMOS to help you with this question.)
(-1,0)
(0,0)
(2, 0)
(1,0)
30s
Q4
Similar triangles can be used to determine the slope of a line. Using the given similar triangles, determine the length of the pink line segment (x). (Hint: Use Pythagorean Theorem to determine the length of the hypotenuse for the triangle with legs 14 and 12.)
5.1
8.3
9.2
7
30s
Q5
Select the answer which describes the transformation which maps triangle LNM onto triangle LJK
To map triangle LNM onto LJK, triangle LNM was reflected over a line of symmetry followed by a dilation centered at point L by a scale factor of 2.
To map triangle LNM onto LJK, triangle LNM was rotated around point L by a 180 degrees then dilated by a scale factor of 2 from a center of L.
To map triangle LNM onto LJK, triangle LNM was rotated around point L clockwise by a 180 degrees then dilated by a scale factor of 2.5 from a center of L.
To map triangle LNM onto LJK, triangle LNM was reflected over a line of symmetry followed by a dilation from a center of L by a scale factor of 2.5.
30s
Q6
Given triangle LNM is similar to triangle LJK, solve for x.
15.8
35
39.4
5.6
30s
Q7
Given triangle LNM is similar to triangle LJK, solve for y.
18
35
15.8
39.4
30s
Q8
Select the answer which completes the similarity statements for the above figure.
30s
Q9
Given Triangle ABC ~ Triangle DEF, solve for y
55
Cannot be determined
35
90
30s
Q10
Given Triangle ABC ~ Triangle DEF, solve for z
Cannot be determined
35
55
90
30s
Q11
True/False: The two triangles in the figure are similar.
False
True
30s
Q12
True/False: The two triangles in the figure are similar.
True
False
30s
Q13
True/False: The two triangles in the figure are similar.
False
True
30s
Q14
True/False: The two triangles in the figure are similar.
False
True
30s
Q15
Leroy is playing squash with a low net to train. The net is 0.9 m high, and Leroy is 12 m behind the net. The ball barely skims the net and hits 6 m from the net. Determine the height of the ball above the ground before the ball was hit.
120 m
4.5 m
2.7 m
0.3 m
30s