WorksheetsDilations
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
Choose the correct scale factor:
a)
2
b)
3
c)
1/3
d)
1/2
2.
The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?
a)
½
b)
¼
c)
4
d)
2
3.
A dilation is which of the following:
a)
only an enlargement
b)
only a reduction
c)
Either an enlargement or a reduction
d)
Neither an enlargement or a reduction
4.
State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.
a)
B' (2 , 4.5)
b)
B' (-8 ,-18)
c)
B' (8 ,18)
d)
B' (9 ,4)
5.
When A(3, 6) is under a dilation of 2 what are the coordinates of A'?
a)
(3, 6)
b)
(1.5, 3)
c)
(6, 12)
d)
(12, 6)
6.
A dilation produces a congruent figure
a)
True
b)
False
7.
When a dilation has a scale factor greater than one, the dilation is an enlargement.
a)
True
b)
False
8.
When the scale factor of a dilation is less than one, the dilation is a reduction.
a)
True
b)
False
9.
In a dilation what mathematical operation is used with the scale factor?
a)
addition
b)
subtraction
c)
multiplication
d)
division
10.
State the coordinate of the image of the given point G (-10,-6) under a dilation with center at the origin with the given scale factor of 1/2.
a)
G' (5,3)
b)
G' (20,12)
c)
G' (-20,-12)
d)
G' (-5,-3)
11.
What is the scale factor from ABCD to MNOP?
a)
2/3
b)
3/2
c)
2
d)
3
12.
If your SF = 0.8, what type of dilation is it?
a)
Reduction
b)
Enlargement
13.
If your SF = 2.5, what type of dilation is it?
a)
Reduction
b)
Enlargement
14.
Did the image enlarge, reduce or none of the above?
a)
Enlarge
b)
Reduce
c)
None of the above
15.
What scale factor was used to produce the image?
a)
1
b)
7
c)
18
d)
49
16.
What scale factor was used to produce the image?
a)
2
b)
-2
c)
1/2
d)
1
17.
What scale factor was used to produce the image?
a)
2.5
b)
1.5
c)
3.5
d)
4
18.
Find the measure of x:
a)
6
b)
24
c)
33
d)
36
19.
Under a dilation, which scale factor will result in a congruent image?
a)
-2
b)
0
c)
1
d)
1/2
20.
Tell whether the transformation is a dilation. Explain.
a)
No, scale factor isn't the same.
b)
Yes, scale factor is the same.
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