Dilations
Authored by Barbara White
Mathematics
8th Grade
CCSS covered
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28 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The algebraic representation shown is used to dilate a quadrilateral with vertices A(-2,8) B(-2,0) C(12,0) and D(6,8).
(x,y) → (½x,½y)
What are the new coordinates of the vertices of A'B'C'?
A' (-1,4) B' (-1,0) C'(6,0) D'(3,4)
A' (1,4) B' (1,0) C'(-6,0) D'(-3,4)
A' (1,-4) B' (1,0) C'(-6,0) D'(-3,-4)
A' (-1,-4) B' (-1,0) C'(6,0) D'(3,-4)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A
B
C
D
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Triangle KLM has vertices K(5,4) L(-3,7) and M(2,13). Triangle KLM is dilated by a scale factor of 1.5 with the origin as the center of dilaton. The image of Triangle KLM after this dilationis Triangle K'L'M'. What are the coordinates of L' ?
(-4.5,10.5)
(-1.5,8.5)
(-1.5,3.5)
(0,0)
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Triangle EFG has vertices E(3,8) F(10,6) and G(8,2). Triangle EFG is dilated by a scale factor of ½ with the origin as the center of dilaton. The image of Triangle EFG after this dilation is Triangle E'F'G'. What are the coordinates of E' ?
(1.5,4)
(5,3)
(4,1)
Not here
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A
B
C
D
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quadrilateral WXYZ has vertices W(0,8) X(8,0) Y(4,0) and Z(0,4). Quadrilateral WXYZ is dilated by a scale factor of ¼ with the origin as the center of dilaton. The image of Quadrilateral WXYZ after this dilation is Quadrilateral W'X'Y'Z'. What are the coordinates of Y' ?
(0,4)
(4,0)
(1,0)
(0,1)
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A
B
C
D
Tags
CCSS.8.G.A.3
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