Scale Factor from Two Images
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dilations create SIMILAR figures, which means the dimensions (side lengths) of the images must be...
proportional ratios
exactly the same
even numbers
odd numbers
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
SCALE FACTOR describes the number that is multiplied by a pre-image that determines...
how many times bigger an image gets
how many times smaller an image gets
how many times bigger or smaller an image gets
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does the scale factor of "1" NOT result in a dilation?
making an image 1 times larger would not change its size, therefore it would remain the same/congruent image
1 cannot be a scale factor because it is not a fraction
1 cannot be a scale factor because it is not a decimal
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scale factor below would result in a dilation that is smaller than the pre-image?
0.5
3.5
2
4
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The transformation of triangle T to triangle T' is shown. Triangle T is _______ to triangle T' and its scale factor is ________.
Tags
CCSS.8.G.A.4
CCSS.HSG.SRT.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which rule would dilate shows a scale factor of 4
(x, y) → (y, x)
(x, y) → (x + 4, y + 4)
(x, y) → (x, -y)
(x, y) → (4x, 4y)
Tags
CCSS.HSG.CO.A.2
7.
MATCH QUESTION
1 min • 10 pts
A (3,3) B (6,6) C (9,9)
A' (1,1) B' (2,2) C' (3,3)
Scale factor of 2
A (2,2) B (3,3) C (4,4)
A' (4,4) B' (6,6) C' (8,8)
Scale factor of 5
A (2,2) B (3,3) C (4,4)
A' (6,6) B' (9,9) C' (12,12)
Scale factor of 1/3
A (2,2) B (3,3) C (4,4)
A' (1,1) B' (1.5,1.5) C' (2,2)
Scale factor of 3
A (1,1) B (2,2) C (3,3)
A' (5,5) B' (10,10) C' (15,15)
Scale factor of 1/2
Tags
CCSS.7.G.A.1
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