Dilations Similarity
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Anthony Clark
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to a figure when it is dilated by a scale factor of a positive integer?
it becomes smaller
it becomes larger
it stays the same
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jimmy and his sister each bought a plot of rectangular land to build a house. Jimmy's land was 150 ft by 100 ft. His sister's land was 75 ft by 50 ft. What is the scale factor of Jimmy's land compared to his sister's?
1/2 the size
2 times the size
2/3 the size
3 times the size
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following rules represents a dilation?
(x, y) → (x, 3y)
(x, y) → (3x, 3y)
(x, y) → (x - 4, y - 3)
(x, y) → (.5x, .4y)
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Similar figures have the same ______ but different ______.
measure; shapes
sizes; shapes
value; measures
shape; sizes
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a dilation what mathematical operation is used with the scale factor?
addition
subtraction
multiplication
division
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Triangle ABC is dilated using the algebraic rule (x, y) --> (0.75x, 0.75y). Is triangle A'B'C' an enlargement or reduction of the original triangle?
Enlargement because the scale factor is less than one.
Reduction because the scale factor is less than one.
Neither
Cannot Be Determined
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the algebraic rule (x, y) --> (2.5x, 2.5y), what would be the coordinates of C' if point C is located at (-10, 8).
C'(-4, 3.2)
C'(-25, 20)
C'(-25, 8)
C'(-4, 20)
Tags
CCSS.8.G.A.3
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