Dilations About Point
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The red triangle has been dilated by a scale factor of 1/4 about the origin, which triangle is it's new image?
green triangle
red triangle
black triangle
none of these
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A dilation always produces a similar figure. Similar figures have the same ______ but different ______.
measure; shapes
sizes; shapes
value; measures
shape; sizes
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Under a dilation, which scale factor will result in a congruent image?
-2
0
1
1/2
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The center of dilation is important because
it's the location from which the dilation occurs.
All of the corresponding points of the image and pre image are on the lines radiating from the Center of Dilation.
it's a fixed point on the plane about which all points are expanded or contracted.
All of the above
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.
reduction
enlargement
scale factor
center of dilation
Tags
CCSS.7.G.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The point (8, 12) was dilated to become point (2, 3). What was the scale factor?
½
¼
4
2
Tags
CCSS.8.G.A.3
7.
DRAG AND DROP QUESTION
1 min • 1 pt
In this figure, triangle TRS is the (a) , triangle T'R'S' is the (b) and a(n) (c) occurred.
pre-image
image
enlargement
reduction
spin
flip
Tags
CCSS.HSG.CO.A.2
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