Describe the effect of dilations about the origin, translations, rotations about the origin in 90 degree increments, and reflections across the 𝑥- axis and 𝑦-axis on two-dimensional figures using coordinates.
Track each student's skills and progress in your Mastery dashboards
Give this quiz to my class
Q 1/13
Score 0
A triangle with vertices at points (1, 2), (3, 4), and (5, 6) is dilated by a factor of 2. What are the coordinates of the image of the vertex at (1, 2)?
30
(1, 4)
(2, 4)
(2, 3)
(3, 6)
Q 2/13
Score 0
If a point (-6, 4) is translated 3 units to the left and 2 units up, what are its new coordinates?
30
(-9, 6)
(-3, 2)
(-3, 6)
(-9, 2)
13 questions
Q.
A triangle with vertices at points (1, 2), (3, 4), and (5, 6) is dilated by a factor of 2. What are the coordinates of the image of the vertex at (1, 2)?
1
30 sec
Q.
If a point (-6, 4) is translated 3 units to the left and 2 units up, what are its new coordinates?
2
30 sec
NC.8.G.3
Q.
If a rectangle with vertices at (2, 3), (2, 5), (4, 3), and (4, 5) is dilated by a factor of 3 from the origin, what will be the coordinates of the new vertex that was at (2, 3)?
3
30 sec
Q.
A trapezoid with vertices at (1, 1), (4, 1), (2, 3), and (5, 3) is dilated by a factor of 2 from the origin. What are the coordinates of the new vertex originally at (4, 1)?
4
30 sec
Q.
A parallelogram with vertices at (2, 3), (6, 3), (3, 7), and (7, 7) is dilated by a factor of 1/2 from the origin. What are the coordinates of the new vertex originally at (6, 3)?
5
30 sec
Q.
A pentagon with one vertex at (3, 4) is dilated by a factor of 3 from the origin. What are the coordinates of the new vertex?
6
30 sec
Q.
What happens to the coordinates of the point (5, -2) after a 90-degree counterclockwise rotation about the origin?
7
30 sec
NC.8.G.3
Q.
A square with vertices at (1, 1), (1, 3), (3, 1), and (3, 3) is dilated by a factor of 4 from the origin. What are the coordinates of the new vertex originally at (3, 3)?
8
30 sec
Q.
A rectangle with corners at (0, 0), (0, 2), (3, 0), and (3, 2) is dilated by a factor of 1/3 from the origin. What are the coordinates of the new corner that was at (3, 2)?
9
30 sec
Q.
A hexagon with one vertex at (2, 5) is dilated by a factor of 2 from the origin. What are the coordinates of the new vertex?
10
30 sec
Q.
A triangle with vertices at (0, 0), (2, 0), and (1, 3) is dilated by a factor of 1.5 from the origin. What are the coordinates of the new vertex originally at (1, 3)?
11
30 sec
Q.
What are the new coordinates of the point (7, 3) after a 90-degree clockwise rotation about the origin?
12
30 sec
NC.8.G.3
Q.
What is the image of the point (-4, 2) after a reflection across the x-axis?
