
Mastering Dilation: Transforming Shapes and Coordinates
Authored by Anthony Clark
English, Mathematics
8th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle has vertices at A(2, 3), B(4, 5), and C(6, 1). If the triangle is dilated by a scale factor of 2 from the origin, what are the coordinates of the new triangle's vertices?
A'(4, 6), B'(8, 10), C'(12, 2)
A'(5, 7), B'(10, 12), C'(14, 4)
A'(3, 5), B'(6, 8), C'(9, 3)
A'(2, 3), B'(4, 5), C'(6, 1)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rectangle has dimensions of 4 cm by 6 cm. If the rectangle is dilated by a scale factor of 1.5, what will be the new dimensions of the rectangle?
4 cm by 6 cm
7 cm by 10 cm
5 cm by 8 cm
The new dimensions of the rectangle are 6 cm by 9 cm.
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a ratio of 3:5. If the shorter triangle has a base of 9 cm, what is the length of the base of the larger triangle?
20 cm
12 cm
15 cm
18 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A square has a side length of 5 m. If it is dilated by a scale factor of 0.8, what will be the new area of the square?
16 m²
20 m²
25 m²
12.5 m²
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circle has a radius of 10 inches. If the circle is dilated by a scale factor of 0.5, what is the new radius?
10 inches
2.5 inches
15 inches
5 inches
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A model of a building is 1:100 scale. If the height of the model is 2 m, what is the actual height of the building?
150 m
250 m
100 m
200 m
Tags
CCSS.7.G.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle is dilated from a point (1, 1) with a scale factor of 3. If one vertex of the triangle is at (2, 2), what are the coordinates of the dilated vertex?
(1, 1)
(5, 5)
(3, 3)
(4, 4)
Tags
CCSS.8.G.A.3
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