WorksheetsUnit 2 Review
Total questions: 29
Worksheet time: 3hrs 37mins
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.
A dilation produces a congruent figure
a)
True
b)
False
6.
When a dilation has a scale factor greater than one, the dilation is an enlargement.
a)
True
b)
False
7.
When the scale factor of a dilation is less than one, the dilation is a reduction.
a)
True
b)
False
8.
In a dilation what mathematical operation is used with the scale factor?
a)
addition
b)
subtraction
c)
multiplication
d)
division
9.
The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
10.
Similar figures have the same ______ but different ______.
a)
measure; shapes
b)
sizes; shapes
c)
value; measures
d)
shape; sizes
11.
Are the triangles similar?
a)
Yes
b)
No
12.
How long is side x?
a)
2 ft
b)
3 ft
c)
4 ft
d)
6 ft
13.
How long is side x?
a)
3
b)
1.5
c)
8
d)
2/3
14.
Which triangles are similar to triangle A?
a)
B
b)
C
c)
Both
d)
None
15.
What does it mean for two shapes to be similar?
a)
Same shape, but different size.
b)
Same size and same shape.
c)
Their angles add up to 180o.
d)
They are congruent.
16.
Identify the slope of the red line.
a)
1
b)
-1
c)
3
d)
-3
17.
Find the slope of the line.
a)
-5/4
b)
5/4
c)
-4/5
d)
4/5
18.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
19.
What is the slope in the picture?
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
20.
Find the slope of the line that passes through:
(6,7) and (4,2)
(6,7) and (4,2)
a)
2/5
b)
-5/2
c)
5/2
d)
-1/2
21.
Find the slope of the line that passes through:
(10, 1) and (5, 2)
(10, 1) and (5, 2)
a)
1/5
b)
-1/5
c)
5
d)
-5
22.
Identify the slope of the red line.
a)
1/3
b)
3
c)
-3
d)
-1/3
23.
Identify the slope of the red line.
a)
2
b)
1/2
c)
-2
d)
-1/2
24.
Identify the slope (AC) of triangle ABC.
a)
2
b)
1/2
c)
-2
d)
-1/2
25.
Sides in similar figures must be proportional.
a)
True
b)
False
26.
The slope of line AC is equal to BCAB . What is the measure of the slope?
a)
2/3
b)
3/4
c)
3/2
d)
1/3
27.
What type of slope?
a)
negative
b)
positive
c)
zero
d)
undefined
28.
Identify the type of slope.
a)
Positive
b)
Negative
c)
Zero
d)
Undefined
29.
Identify the type of slope.
a)
Postive
b)
Negative
c)
Zero
d)
Undefined
100 %
